Best PC Power Supply 2026: 10 Ranked, and the Specs That Don't Add Up
By Felipe Iglesias · Updated
This category has a paperwork problem. The ASUS TUF Gaming 850W Gold lists a current rating of 850 Amps, and the same spec table lists 240V AC input. Multiply those two and you get over 200,000W from a pc power supply the listing rates at 850 Watts. Meanwhile the Vetroo 850W quotes a 90-130V AC input range, which does not cover the roughly 230V a British socket supplies. The MSI MPG A850G calls its fan 135mm in the bullet text while its own spec table says 120 Millimetres.
We ranked ten of the best pc power supply units on Amazon on two things only: the numbers each listing publishes, and whether those numbers agree with each other. Wattage, input voltage, fan size, connector counts and warranty length all had to survive a cross-check against the rest of the same page. Where a table contradicts itself, we say so and rank the unit lower for it.
At a glance
| # | Product | Price | Rating | Link |
|---|---|---|---|---|
| 1 | Corsair RM850e (2025) 850W Fully Modular — Black | £89.00 | 4.7 | View |
| 2 | MSI MPG A850G PCIE5 850W 80 Plus Gold Modular | £89.99 | 4.7 | View |
| 3 | MSI MAG A850GL PCIE5 850W 80 Plus Gold Modular | £94.99 | 4.5 | View |
| 4 | be quiet! Power Zone 2 850W 80 Plus Platinum | £121.94 | 4.6 | View |
| 5 | Cooler Master MWE 750 Gold V2 Fully Modular | £77.82 | 4.5 | View |
| 6 | Corsair CX750 750W 80 Plus Bronze Non-Modular | £57.99 | 4.5 | View |
| 7 | Corsair RM850e (2025) 850W Fully Modular — White | £94.99 | 4.7 | View |
| 8 | ASUS TUF Gaming 850W Gold | £96.50 | 4.7 | View |
| 9 | ASUS ROG Strix 850W Platinum | £158.99 | 4.8 | View |
| 10 | Vetroo 850W 80 Plus Gold Fully Modular — White | £74.99 | 4.2 | View |
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Corsair RM850e (2025) 850W Fully Modular — Black
The cheapest fully modular 850W unit here at £89.00, and one of the few pc power supply listings whose spec table agrees with itself.
Pros
- £89.00 — the lowest price of any 850W fully modular unit in this top ten
- Intel ATX 3.1 and PCIe 5.1 certified, with a native 12V-2x6 cable
- 105°C-rated capacitors and a 120mm rifle bearing fan
- 15 x 14 x 8.6 cm and 1.53 kg — the smallest and lightest 850W unit here
- 4.7 average from 310 ratings
Cons
- Four one-star ratings appear in the 100-rating breakdown
- Rifle bearing fan rather than a fluid dynamic or dual ball design
- The bullet text lists no connector quantities or cable types
- The identical white version costs £5.99 more
What buyers actually say
Quoted from customer reviews on Amazon
Verified purchase“Really happy with the CORSAIR RM850e (2025). I'm using it in my gaming PC alongside an NVIDIA GTX 1080 and MSI MAG Z790 TOMAHAWK MAX WIFI motherboard, and everything works together perfectly.The 850W capacity gives me plenty of power for my setup, and I've experienced zero stability or power-related issues. It simply gets on with doing its job, which is exactly what I want from a power supply.Being fully modular is a big advantage when building a PC. You only need to connect the cables your system actually requires, which makes cable management considerably easier and helps avoid having unnecessary cables stuffed inside the case.I've also been very happy with the noise levels. It's not something I find distracting during normal use or gaming, and the overall build quality feels exactly like what I'd expect from a good Corsair PSU.It pairs very nicely with my Z790 motherboard and GTX 1080 setup, and installation was straightforward.A PSU isn't necessarily the most exciting component in a PC, but it's one of the components you really don't want causing problems. So far this has been reliable, quiet and completely trouble-free.Excellent build quality, fully modular, quiet and works perfectly with my setup. Very happy with it. ⭐⭐⭐⭐⭐”
Verified purchase“Fantastic piece of kit - runs silently, more than enough different cables to install everything I needed for a full gaming rig. Compatible with a majority of old and new components, and with it being modular, only use the cables you need, avoiding filling up the case with unnecessary cabling and restricting airflow.”
It is the cheapest fully modular power supply in this top ten at £89.00, and it does not ask you to accept a contradiction to get there. The table lists 850 Watts output, a 100-240V AC input range, one 120mm rifle bearing fan and a 1.53 kg weight. Nothing in the sheet argues with anything else in the sheet, which is rarer among pc power supply listings than it should be.
In practice the useful parts are the Intel ATX 3.1 certification and the 12V-2x6 cable, which means the unit is specified for 2x transient power excursions from a graphics card. The 105°C capacitors and the rifle bearing fan are ordinary choices at this price, and the fan curve is tuned for low load rather than for bragging rights.
The catch: 310 ratings at 4.7 is strong but not spotless — four of the 100 ratings shown are one-star. And an 850W power supply at this price keeps the cable bundle modest, so check what your graphics card actually needs. The white version costs £5.99 more for identical hardware.
MSI MPG A850G PCIE5 850W 80 Plus Gold Modular
Solid hardware for £89.99, but the listing calls the fan 135mm in its bullet text and 120 Millimetres in its spec table.
Pros
- £89.99 for 850W, 80 Plus Gold and fully modular cabling
- 10-year warranty — the joint-longest in this top ten
- Native 16-pin PCIe 5.0 connector rated to 600W
- 0% RPM mode with a manual override switch at the rear
- 4.7 from 219 ratings
Cons
- Fan size: 135mm in the bullet text, 120 Millimetres in the spec table
- 3.15 kg — the heaviest unit in this top ten
- ATX 3.0 and PCIe 5.0, not the newer 3.1 and 5.1 standards
- Two one-star and one two-star rating in the 100 shown
What buyers actually say
Quoted from customer reviews on Amazon
Verified purchase“Incredible power supply, it is fully modular so you only use the cables that you actually need. It even comes with a high voltage cable for GPUs that demand extra energy. The power supply keeps quiet and it's easy to install, nothing but good things to say about it.”
Verified purchase“Great PSU, runs everything I need and will definitely run any other higher spec products when I decide to upgrade again. Cables provided are all super clean and well made, clear markings on what cable is for which component.Great purchase”
On paper this is one of the better-value 80 plus gold power supply listings at £89.99: 850W, fully modular cabling, a native 16-pin connector rated to 600W, and a 10-year warranty. The catch is the fan. The bullet text says a '135mm fluid dynamic bearing (FDB) fan'; the spec table on the same page says 120 Millimetres. Both cannot be right, and no photo settles it.
In theory 0% RPM mode is the feature you notice day to day: the fan stops below 40% load, and a switch at the rear disables the mode entirely. The half-bridge LLC with DC-to-DC converter and active PFC is standard modern topology, and the single-rail design is what feeds a graphics card through transient spikes.
However, the unit weighs 3.15 kg and measures 15 x 15 x 8.6 cm — 650 g heavier and a centimetre deeper than the MAG A850GL ranked just below it. If your case is tight at the PSU shroud, that gap is real. And if you want an ATX 3.1 power supply rather than ATX 3.0, this is not it.
MSI MAG A850GL PCIE5 850W 80 Plus Gold Modular
The most-reviewed unit here at 938 ratings and £94.99, with a stated input range of 207-240V AC.
Pros
- 938 ratings at 4.5 — the largest review sample in this top ten
- £94.99 for 850W, 80 Plus Gold and full modularity
- Triple-layer sleeved cables, management combs and copper alloy connectors
- 2.5 kg and 14 x 15 x 8.6 cm — easier to fit than the MPG A850G
- Stated input range of 207-240V AC
Cons
- 7-year warranty against the MPG A850G's 10 years
- Protection list misspells OPP as 'OP'
- Seven one-star ratings out of the 100 shown
- ATX 3.0 and PCIe 5.0 rather than 3.1 and 5.1
What buyers actually say
Quoted from customer reviews on Amazon
Verified purchase“I bought this MSI MAG A850GL to power my new upgrade (running a brand new RTX card), and it has been flawless.A great surprise was that although the description mentioned PCIe 5.0, the unit I received actually comes with the updated PCIe 5.1 standard, including the safer 12V-2x6 cable instead of the older fire hazard cables from previous gen.Despite being a compact unit, it delivers a solid 850W, and the new cable made cable management in my case a breeze without needing ugly adapters. It runs incredibly quiet, the build quality feels premium, and it handles heavy gaming loads without a single hiccup.Highly recommended if you want a reliable, future-proof, and compact powerhouse!”
Verified purchase“The MSI MAG A850GL is a high-quality, fully modular, 80 Plus Gold-rated PSU, and this is actually the second one I've bought. I originally purchased one for my own Corsair FRAME 4000D build and was very pleased with it, so I bought the same model again for the kids' AM4 gaming rig in a Corsair 3500X case.The 850W capacity is more than enough for the mid-range systems we're running, with an NVIDIA RTX 5060 / AMD RX 9060 XT, B550 motherboard and Ryzen 7 5700X. The PSU fan is whisper quiet and certainly isn't audible above the case fans in either of our builds.Being fully modular is a big plus, as you only need to connect the cables you actually require. In our case that's the motherboard, CPU, PCIe and a single Molex cable for the fan controllers. MSI also provides a useful storage bag for the spare cables, which keeps everything together for future upgrades.The all-black PSU and cables look smart and, in both of our cases, the PSU is largely hidden anyway, so there's no need to pay extra for fancy sleeved cables unless you specifically want them.Price is another strong point. I paid £76 for this one and £85 for the first. Prices do fluctuate, so it's worth keeping an eye on deals and comparing the 750W and 850W versions — when I bought this one, the 850W model was actually cheaper than the 750W.Overall, I'm very happy with it. It offers plenty of power, quiet operation, fully modular cabling and a Gold efficiency rating at a very reasonable price. It also compares very favourably with the Corsair and be quiet! options in the same price range. Having bought two now, I'd have no hesitation recommending it.”
This has the largest review base in the group: 938 ratings at 4.5, at £94.99. The table lists an input range of 207-240V AC, which covers British mains but rules out 110-120V supplies. The warranty is 7 years, a step down from the MPG above, and the price is £5 higher.
Crucially, the cable set is the selling point: triple-layer sleeved cables with management combs and copper alloy connectors, where the MPG runs flat black cables. At the same time it weighs 2.5 kg against the MPG's 3.15 kg, which makes it easier to work with in a small case. As a pc power supply for a first serious build, that presentation is worth more than most spec sheets admit.
Even so, the protection list reads 'OCP, OVP, OP, OTP, SCP, UVP' — a typo for OPP, in a listing nobody proofread. Seven of the 100 ratings shown are one-star, the highest count in the top half of this list. If ATX 3.1 and PCIe 5.1 matter to you rather than 3.0 and 5.0, look at the Corsair instead.
be quiet! Power Zone 2 850W 80 Plus Platinum
The efficiency leader here at up to 94.1% Platinum, but its table lists 230V as both the minimum and the maximum input.
Pros
- 80 PLUS Platinum and Cybenetics Platinum, up to 94.1% efficiency
- 140mm Pure Wings 3 fan that stops completely at low load
- ATX 3.1 with a native 12V-2x6 connector and a 90-degree angled adapter included
- Three PCIe 6+2-pin connectors for current-gen cards
- 4.6 from 129 ratings
Cons
- £121.94 — the second-highest price here
- 230V listed as both the minimum and maximum input voltage
- No fan size and no item dimensions in the spec table
- Six of the 100 ratings shown are one- or two-star
What buyers actually say
Quoted from customer reviews on Amazon
Verified purchase“Very good power supplier. Slightly more expansive than others, but in return it has superior specs. The platinum standard is not a big deal per se, but the usage of a 140mm fan instead of the usual 120mm is a very nice addition if you're seeking a low-noise build like I was doing. Virtually inaudible, no issues so far.”
Verified purchase“Das Netzteil machte bisher kleine Probleme. Es ist leise. Die Lüfterkurve läßt sich im BIOS problemlos einstellen. Ich nutze noch ein älteres PC - Gehäuse. Ich benötigte deswegen Adapter für die Stromversorgung älterer Komponenten.”
At £121.94 this is the second-dearest unit in the list, and it earns part of that: 80 PLUS Platinum and Cybenetics Platinum, up to 94.1% efficiency, and a 140mm Pure Wings 3 fan that stops entirely at low load. The spec table, though, lists 230 Volts (AC) as both the minimum and the maximum input voltage — the same figure in both fields.
In practice you get 850W on one 12V rail, ATX 3.1, a native 12V-2x6 connector with a 90-degree angled plug in the box, and three PCIe 6+2-pin connectors for current-gen cards. The LLC topology is what keeps voltage regulation tight. Post-ventilation runs the fan for 2-5 minutes after shutdown, which is a small thing you notice nightly.
That said, two basic figures are missing from the table: there is no fan size (140mm appears only in the marketing copy) and no item dimensions at all. If you are measuring a case before buying, you are working from a photo and a 3.33 kg weight. Three one-star and three two-star ratings appear in the 100 shown.
Cooler Master MWE 750 Gold V2 Fully Modular
750W rather than 850W at £77.82, with a SATA and PCIe cable count that changes between two fields on the same page.
Pros
- £77.82 for 750W with 80 PLUS Gold efficiency, up to 90% under typical load
- Rated to a 50°C upper temperature — the highest threshold in this top ten
- Fully modular flat black cabling
- 120mm hydro-dynamic bearing fan with temperature-responsive speed control
- Two EPS connectors for broad motherboard compatibility
Cons
- 750W, not the 850W that most of this list offers
- SATA count is 12 in the bullets and 8 in the spec text; PCIe is 4 against 2
- No native 16-pin connector mentioned anywhere in the listing
- Six one-star ratings out of the 100 shown
What buyers actually say
Quoted from customer reviews on Amazon
Verified purchase“It has now been longer than a year since I bought this PSU and it has held up well. My machine has been used for lots of over clocking with an RX6600 GPU and AMD Ryzen 7800X CPU which have been used for extreme overclocking and this PSU has not shown any signs of struggle. Although my PC is way under the usage of the PSU, It has served me well and it seems to be able to manage for much longer.”
Verified purchase“I bought this for my PC rig with a 4070 and 7700X CPU. It provides plenty of power, has great modular connectivity which also helps cable management and fits nicely in any PC case. It doesn't overheat even in my cramped case and as it was cheaper than some other brands, I really can't fault it. Great value for money.”
First, the wattage: 750W, not 850W, at £77.82. Second, the cable list, because the bullet text and the spec field disagree. The bullet says 'SATA x 12' and 'PCI-e 6+2 x 4'. The spec field says '8 SATA (8 connectors)' and 'PCI-e 6+2 Pin (2 connectors)'. Connector Quantity is listed separately as 16. At least one of those three numbers is wrong.
By contrast with the 850W units above, this one is rated to a 50°C upper temperature, which is the figure that matters if you overclock or render for hours. The 120mm hydro-dynamic bearing fan is temperature-controlled, so it slows at idle. You also get two EPS connectors, which covers most modern boards.
In short, this is the sensible pick if 750W covers your build. If you are planning a card that wants a native 16-pin connector, the listing makes no mention of one, so this is not the pc power supply for that build. Six of the 100 ratings shown are one-star, and the unit weighs 2.76 kg in a 16 x 15 x 8.6 cm shell.
Corsair CX750 750W 80 Plus Bronze Non-Modular
£57.99 — the cheapest unit in this top ten, 750W Bronze-rated, and non-modular.
Pros
- £57.99 — the cheapest unit in this top ten
- 750W of continuous rated output, per the listing
- 125mm long, so it fits short PSU bays
- 80 PLUS Bronze, up to 88% efficiency
- 438 ratings at 4.5
Cons
- Non-modular — every unused cable stays in the case
- No ATX 3.1 or PCIe 5.1 certification in the listing
- 230V listed as both the minimum and maximum input voltage
- Eight one-star ratings out of the 100 shown
What buyers actually say
Quoted from customer reviews on Amazon
Verified purchase“Got this as a replacement for my dying HP Omen 25l power supply which was having booting issues and cmos errors.It works but you can't shut the Hp case as the cable for the hard drive sticks out so had to get a corsair 4000D Airflow case which solved this.Also had to manually stick the WiFi and Bluetooth to one of the front fans to work as didn't wanna buy a new one.”
Verified purchase“Very silent, Very cheap, Fan changes speeds depending on load which is nice but I barely hear it. Bought a 2nd one because of how impressed I was with the first. Both going strong. Great for 8pin GPU use.”
£57.99 buys 750W and an 80 Plus Bronze rating of up to 88% efficiency. That is the lowest price in this top ten, by more than £19. It is also non-modular, and the spec table gives 230V as both the minimum and the maximum input voltage — the second unit on this page to do that.
The compact 125mm casing is the practical draw; most modern cases will take it without a fight. The 120mm thermally controlled fan only spins up under load, and Corsair states the full rated wattage is continuous rather than peak. Non-modular means every unused cable lives in the case, which costs airflow rather than money.
Even so, 438 ratings at 4.5 is the third-largest sample here, and eight of the 100 shown are one-star — the highest proportion in the top six. There is no ATX 3.1 certification and no mention of a 12V-2x6 connector. This is a budget unit for a 750W build, and it is priced like one.
Corsair RM850e (2025) 850W Fully Modular — White
Identical to the black RM850e on dimensions and weight, but £5.99 more and with 50 ratings instead of 310.
Pros
- Same 850W, ATX 3.1 and PCIe 5.1 hardware as the black version
- Identical 15 x 14 x 8.6 cm footprint and 1.53 kg weight
- White finish and white cabling for a white build
- 4.7 average across its 50 ratings
- 12V-2x6 cable included
Cons
- £94.99 against £89.00 for the black version
- 50 ratings against 310 — a much smaller sample
- Maximum input voltage listed as 230V, where the black unit lists 240V
- Three two-star ratings in the 100 shown
What buyers actually say
Quoted from customer reviews on Amazon
Verified purchase“excellent power supply, the cables quality is so good, you dont need sperate cables, the gpu cable has comb applied already and it looks stunning. Highlt recommmended”
Verified purchase“Fully modular, comes with all the cables, looks really nice too! Great purchase overall, very happy with it so far!”
This is the same unit as the one in first place, in white. Same 15 x 14 x 8.6 cm, same 1.53 kg, same 850W output, same 120mm rifle bearing fan, same Intel ATX 3.1 and PCIe 5.1 certification. The differences are the price, £94.99 against £89.00, and the review base, 50 against 310.
In practice you are paying for a colour. That is a fair reason if the case has a window and a white interior; it is not a reason if it does not. The internals are unchanged, so the low-noise fan curve, the 105°C capacitors and the modern standby wake times carry over exactly. One field does differ: the white version lists a maximum input voltage of 230V, where the black one lists 240V.
That said, 50 ratings is a thin sample, and three of the 100 shown are two-star. If you are buying on evidence rather than looks, the black version offers six times the review base for £5.99 less. Either way the hardware is the same, so let the case decide.
ASUS TUF Gaming 850W Gold
751 ratings at 4.7 for £96.50, and a spec table that claims 850 Amps of current at 240V.
Pros
- 751 ratings at 4.7 — the second-largest review sample here
- £96.50 for a listed 850W output
- Fully modular cabling, per the design field
- 120 Millimetres fan size listed
- 87 of the 100 ratings shown are five-star
Cons
- Current Rating of 850 Amps is impossible at any mains voltage
- Item dimensions of 50 x 50 x 28 cm describe a box, not a PSU
- Fan count says 2 while fan size says 120 Millimetres
- No efficiency certification or warranty length anywhere in the listing
What buyers actually say
Quoted from customer reviews on Amazon
Verified purchase“I recently picked up the ASUS TUF 850W Gold-rated PSU for close to 90 quid and it has exceeded my expectations. This powerhouse delivers rock-solid stability with 80+ Gold efficiency, ensuring clean and reliable power for high-performance builds; even those with demanding GPUs. The fully modular design makes cable management a breeze, keeping the build neat and airflow unobstructed. Plus, the silent yet efficient cooling keeps temperatures in check, even under heavy loads.==PROS:+ 80+ Gold efficiency – Features solid protection against power fluctuations.+ Fully modular – Easy cable management and clean builds+ ATX 3.1 Compatible – Relatively standardised form factor allowing for ATX 3.0 and 3.1 compatibility+ 850W power – Plenty of headroom for upgrades+ High-quality components – Reliable and durable+ Quiet operation – Effective cooling with minimal noiseCONS:- Cables could be slightly more flexible- No RGB (if that matters to you)- 850W of Power does mean CPU, MOBO (in the form of MOSFET), and GPU can run hot. Would need adequate cooling or adjusting fan settings to ensure (e.g., MOS temps) are regulated.- Comes with both the traditional 16-pin PCI-E and the new 12VHPWR (12V-6X2) connector, though the naming could be clearer for newer builders as the new connector is labelled as the 16-pin PCI-E.==Overall, at this price point, it's a no-brainer for futureproofing. 850W provides plenty of headroom for upgrades, making it a smart investment for both current-gen and next-gen hardware. If you want a dependable, well-built PSU that won't let you down, this one is an easy recommendation, especially for something as vital for your PC as the PSU.~Shaker”
Verified purchase“After your GPU and CPU I'd argue the PSU is a key component in your gaming or creator setup. I bought the TUF gaming PSU so it aligned with the rest of my setup and I'm certain the extra oomph from 650w to the 850w is a good reason why my renders and gaming haven't gotten bogged down recently. Don't buy just enough. Over provision and you'll see an improvement, NOT A Guarantee but it might help.”
This is a best-selling pc power supply unit with 751 ratings at 4.7, priced at £96.50. Its spec table is the one that started this article. 'Current Rating: 850 Amps.' 'Maximum Input Voltage: 240 Volts (AC).' Eight hundred and fifty amps at 240 volts is 204,000W. The same table rates the output at 850 Watts — a factor of 240 apart.
The rest of the row is equally loose. Item dimensions are given as 50 x 50 x 28 centimetres, which is a shipping box rather than a PSU, and the fan count is 2 while the fan size field says 120 Millimetres. Meanwhile the product bullets say only 'Value for money', 'Good product with good quality' and 'Durable' — no efficiency certification, no connector list and no warranty length.
Worth noting: 4.7 from 751 buyers is not an accident, and the TUF name has a long record behind it. But you cannot verify from this page whether the unit is ATX 3.0 or 3.1, modular or not, or what cables are in the box. If you need a fully modular power supply with a documented 12V-2x6 connector, buy one whose table says so.
ASUS ROG Strix 850W Platinum
The dearest unit at £158.99 and the highest rated at 4.8, but its table says non-modular with four connectors.
Pros
- 4.8 from 95 ratings — the highest score in this top ten
- 80 PLUS Platinum efficiency class
- GaN MOSFETs and a GPU-first voltage stabiliser, per ASUS
- Dual ball fan bearings
- 91 of the 100 ratings shown are five-star
Cons
- £158.99 — the highest price here
- Spec table lists Non-Modular at a flagship price
- Connector Quantity of 4, with no PCIe cable breakdown
- Maximum input voltage of 220V AC sits below British mains
What buyers actually say
Quoted from customer reviews on Amazon
Verified purchase“This modular power supply is a fantastic option for those utilising premium graphics cards and for those searching for a quieter gaming experience. Installing it is simple thanks to its modular design and high quality cables. What is especially impressive for the Asus ROG Strix is it's acoustics. It operates largely silently and has a handy switch on the back allowing the user to switch to a mode which turns off the fan when not required. Overall, this power supply is great value and would suit users with high performance PCs and for those yearning for a quieter gaming experience.”
Verified purchase“The best psu you can buy at the moment. It delivers high end performance with top of the line efficiency and a stable power delivery. The fully modular design makes cable management much easier due to the cables being individually braided and not stiff to work with unlike some other psu brands, the premium build quality is evident. The 0dB fan mode makes it completely silent under low loads, and even under stresst. Perfect for those who are sensitive to sound from their PC, would highly recommend.”
At £158.99 this is the most expensive unit here, and it holds the best score: 4.8 from 95 ratings. The spec table is where it gets odd. 'Power Supply Design: Non-Modular' and 'Connector Quantity: 4'. A fixed cable loom and four connectors on a flagship 850W Platinum unit at this price is a strange combination, and the marketing bullets never mention cabling at all.
What the bullets do claim is measurable in principle: GaN MOSFETs for up to 30% better power efficiency, a GPU-first voltage stabiliser said to improve delivery by up to 45%, and dual ball bearings lasting twice as long as sleeve designs. Those are percentages with no test method attached. The table confirms a maximum input voltage of 220V AC — below the roughly 230V British mains, the same kind of mismatch the Vetroo listing has.
That said, 91 of the 100 ratings shown are five-star and only two are one-star. If you are paying this much for a Platinum 850W unit, read the connector list before ordering: the listing does not say how many PCIe cables are in the box, and '4' is the only number on offer.
Vetroo 850W 80 Plus Gold Fully Modular — White
£74.99 with ATX 3.1 and a 10-year warranty, but a listed 90-130V input range that does not cover British mains.
Pros
- £74.99 — the cheapest 850W unit in this top ten
- ATX 3.1 and PCIe 5.1 with dual PCIe 5.1 connectors
- 10-year manufacturer warranty
- 105°C capacitors and a 120mm FDB fan
- 15 x 14 x 8.6 cm and 2.59 kg, matching the Corsair RM850e footprint
Cons
- Listed AC input of 90-130V does not cover roughly 230V British mains
- Current Rating of 850 Amps is impossible at 130V, never mind 230V
- 14 one-star and 3 two-star ratings out of the 100 shown
- 4.2 average — the lowest score in this top ten
What buyers actually say
Quoted from customer reviews on Amazon
Verified purchase“Great quality.The colour of the power supply matched my white PC build really well and fit into my ATX case with no issues.The power supply came with more than enough cables, these were also white and braided which looks great in a white build.”
Verified purchase“Modular, silent, enough power to get everything working. Paired with a 9070xt which prefers two dedicated PCI power connectors this was the best choice. Highly recommend, you don't need big bucks for a PSU when this is out there.”
Cheapest 850W unit here at £74.99, with a 10-year manufacturer warranty and ATX 3.1 / PCIe 5.1 compliance. Then the input voltage: minimum 90 Volts (AC), maximum 130 Volts (AC). That is a North American range. British mains sits at roughly 230V, and nothing between 90 and 130 reaches it. The same table also lists a Current Rating of 850 Amps — exactly the impossible figure the ASUS TUF listing carries.
Meanwhile the rest of the package reads well: fully modular, 105°C capacitors, a 120mm fluid dynamic bearing fan, dual PCIe 5.1 connectors and a white finish. In theory you get 80 Plus Gold efficiency and a decade of cover for £75. The 2.59 kg weight and the 15 x 14 x 8.6 cm footprint match the Corsair RM850e almost exactly.
The review breakdown is where the caution sits: 14 one-star and 3 two-star ratings out of the 100 shown, against 71 five-star. That is the highest proportion of one-star ratings in this top ten. If you are shopping for a pc power supply unit to run on a British ring main, this listing needs a corrected input range before it belongs on your shortlist.
Final Verdict
For most British builds, the Corsair RM850e in black at £89.00 is the safest pc power supply here — 850W, ATX 3.1, fully modular, 310 ratings at 4.7, and a spec table that agrees with itself. If the budget is the binding constraint, the Corsair CX750 at £57.99 delivers 750W of Bronze-rated power in a 125mm casing that fits almost anything, though it is non-modular. If quiet running matters more than price, the be quiet! Power Zone 2 at £121.94 runs Platinum efficiency with a 140mm fan that stops entirely at low load. And if you want a pc power supply for a build with a 12V-2x6 graphics card, read the input voltage columns first — the Vetroo's 90-130V range and the ASUS TUF's 850 Amp rating are the two clearest examples of a listing nobody checked.
Written by
Felipe Iglesias
Founder & Lead Reviewer
Felipe is a computational engineering student who has been working in SEO since he was sixteen. He founded ranked10 and researches every guide on the site.
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A radio that claims 30 W of output and a battery that lasts over 10 hours is claiming something the arithmetic will not support. The AZATOM Spitalfields 2 lists 30 W maximum speaker output; the same listing says its 2,000 mAh battery runs for over 10 hours. A 2,000 mAh cell at the 3.7 V that appears in these spec sheets holds about 7.4 Wh, so ten hours averages 0.74 W. At a genuine 30 W, that pack would be empty in about 15 minutes. That is the problem with shopping for the best DAB radios on wattage alone: the Mycket, at £29.99, declares 5 W against a 2,200 mAh battery and 12 hours — around 0.68 W average, the same order of magnitude as the AZATOM. The '30 W' and the '5 W' are not the same measurement, which is why a £29.99 radio looks six times more powerful than a £44.95 one. We ranked nine of the best DAB radios on Amazon on preset count, power source, battery type, display and how well each listing's own numbers agree with each other. Every one of the dab radios reviewed here was checked against its spec table, not against its marketing headline. Price runs from £21.59 to £99.00, and the most expensive model is not the one with the biggest wattage claim.
TechBest CPU Air Cooler 2026: 10 Ranked, One Sold Twice at Two Prices
The same cooler appears twice in this best cpu air cooler shortlist, at two different prices. The Thermalright Peerless Assassin 120 SE is listed at £29.99 with 3,133 ratings and again at £35.90 with 307 ratings — £5.91 more for a name that is identical. The two listings cannot both be right about the hardware: one records 12 Volts and 265 watts, the other 5 Volts and 3 watts. Those watts are not power draw. The cooler's own fan is a 4-pin, 12-volt part moving 66.17 CFM, and the 265 W sitting in the Wattage field is the thermal capacity quoted in the bullet text, not the current the product consumes. The pattern repeats. be quiet! sells two Pure Rock Pro 3 coolers at the same £41.98, yet one lists 3.6 watts and the other 250 watts. Cooler Master's MasterLiquid describes a 394 mm radiator in its copy while its own dimensions field says 15.7 cm long. We ranked ten of the best cpu air cooler options on Amazon on three criteria: the published price and rating counts, the socket support each listing actually states, and whether a product's own specifications agree with each other.
TechBest Case Fans 2026: 9 Ranked by What a Fan Actually Costs
Almost nothing in this list of the best case fans is sold as a single fan, so the price on the page is not the price of a fan. The £21.49 ARCTIC five-pack works out at £4.30 a fan. The £18.66 ARCTIC pack works out at £3.73. Meanwhile the £18.99 be quiet! Light Wings buys you one fan. The same be quiet! Light Wings 120mm PWM high-speed fan is listed twice — £18.99 on its own and £44.99 as a three-pack with an ARGB hub. That is £15.00 a fan, and £11.98 less than three singles. The noise numbers cannot be lined up either: ARCTIC quotes 0.3 sones on both its five-packs, Noctua quotes 25.1 dB(A), be quiet! 31 dB and Corsair 36 dB. As a result the spec tables are not all in the same unit, and Noctua is the only brand here quoting airflow in cubic metres rather than CFM. We ranked nine of the best case fans on Amazon on three measures a buyer can check: the price divided by the number of fans in the box, the specification each manufacturer actually publishes, and the review count behind the star rating. There is no test bench here. Where a listing contradicts itself — and several do — we say so, with both numbers.
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