Best 1TB microSD Card 2026: 10 Ranked, Read vs Write

It tops the list on a single figure: 600 MB/s write, against 140 MB/s on the SanDisk Extreme PRO and 50 MB/s on the Integral. That is the number a console actually lives with when you are downloading games, not the 900 MB/s read on the box. It is the fastest 1TB microSD card here on both counts, and in theory a full offload to a PC with a matching reader takes a fraction of the time a UHS-I card would need.

Crucially, the 900 MB/s depends entirely on the interface. The listing states the speed comes from PCIe and NVMe under the SD 7.1 specification, and that the card is backwards-compatible with UHS-I and UHS-II devices only at UHS-I speeds. Which means in a camera, laptop or older handheld you get UHS-I performance while paying Express money. It is A2 rated, IPX7 waterproof, and carries a lifetime limited warranty.

Do not buy it if your device has a standard UHS-I slot: this is not the best 1TB microSD card for you, and the £157.99 SanDisk Extreme is. Worth noting, the spec table lists a 40 g item weight where Samsung lists its equivalent card at 0.26 g, so treat some table fields as placeholders. Its 862 ratings at 4.7 are good, but a fraction of the SanDisk cards' sample size.

This is the listing that behaves. The bullet promises up to 140 MB/s write for fast continuous shots, and the spec table's Media Speed field says 140 MB/s. By contrast, the SanDisk Extreme model further down states 20 MB/s in the same field against a 130 MB/s bullet. That consistency is why a 200 MB/s card sits above a 190 MB/s one here, at £91 more.

In practice the 200 MB/s is an offload figure, and the listing is honest that it needs the SanDisk Professional PRO-READER SD and microSD, sold separately. It is rated A2, U3 and V30, and aimed at cameras shooting 4K and at smartphones. It has 40,803 ratings at 4.7, with 84% of them five-star.

Who should not buy it: anyone who only ever writes to the card inside a handheld console. The £91 premium over the Extreme 1TB buys read-side headroom and a cleaner spec sheet, not a faster game download. That said, it is temperature, water, shock and x-ray proof, and the listing shows 30 years of spare part availability.

For most buyers this is the best 1TB microSD card in the list. It claims 190 MB/s read, up to 130 MB/s write, U3 and V30 for 4K, and A2 for app loading, at £157.99 — £113 less than the Lexar PLAY PRO and £91 less than the Extreme PRO. It also has the biggest review base here, at 101,077 ratings and 4.7.

However, it is also the clearest example of a listing contradicting itself. The spec table gives 'Media Speed: 20 MB/s' while the bullet four lines up promises 130 MB/s write. One of those numbers is wrong, and nothing on the page tells you which. At the same time, the 190 MB/s read is an offload figure that requires SanDisk's own PRO-READER, sold separately.

Do not buy it for long high-bitrate recording if the 20 MB/s figure turns out to be the real one, because that sits below the V30 rating the card carries. For a handheld console, a phone or a drone, the read side is what you feel, and on price and review volume nothing else here matches it.

Fourth place on a tidy set of numbers: up to 180 MB/s read and 130 MB/s write, U3 and V30, 1 TB, and a 10-year limited manufacturer's warranty. The write figure matches the SanDisk Extreme and the Lexar Play, but the price is £205 — £35 more than the Lexar Play's £169.99.

The wording is loose in one place: the listing calls 180 MB/s a 'U3 read speed'. U3 is a write class, not a read rating, so treat that phrase as marketing grammar rather than a specification. In practice this is a standard UHS-I 1TB micro SD card in a Sonic the Hedgehog wrapper, listed for handheld consoles, action cams and drones.

Do not pay the premium if you simply want storage. The Lexar Play claims more on both read and write for less, and the SanDisk Extreme costs £47 less. Buy this one if the licensed design matters or you value Samsung's 10-year cover — but note the sample is small, at 520 ratings and 4.7.

This is the second microSD Express card in the list and the cheaper of the two, at £244.99 against the Lexar's £270.99 — a £26 saving for the same 900 MB/s read class. The spec table lists Media Speed at 800 MB/s, so the read and write story is at least internally consistent on the page.

It uses an SD 7.1 design that combines PCIe Gen3x1 with a UHS-I dual protocol, and the listing claims nine times the performance of a traditional UHS-I card and three times that of a UHS-II one. In practice, as with the Lexar, that applies only in an Express slot; in a UHS-I device you get UHS-I speeds. It is V30 rated and listed as protected against water, dust, shocks and x-rays.

The caveat is the feedback. It scores 4.4 from 85 ratings, and 11 of those 85 are one or two stars — a far higher share of unhappy buyers than the SanDisk cards show. Even so, if the best 1TB microSD card for your device has to be a microSD Express 1TB card and you do not want to pay £270.99, this is the alternative, with the shorter track record that implies.

Sixth, and the most interesting UHS-I card in the list: 205 MB/s read and 140 MB/s write for £169.99, which undercuts the Samsung Sonic PRO Plus by £35 and the Extreme PRO by £79 on paper. It is A2, U3, V30 and 4K UHD rated, and the bullets and the spec table agree at 140 MB/s write, which is more than several rivals manage.

The 205 MB/s read figure is the number to treat with care. It sits above the standard UHS-I bus, and this listing gives no caveat at all about a required reader. By contrast, the Amazon Basics card states plainly that its 200 MB/s figure needs its own USB-C 3.0 reader. Which means 205 MB/s is a best case with the right hardware, not a guarantee.

Do not buy it if you need Express-level write speeds, because 140 MB/s is the ceiling here. As a best 1TB memory card for gaming handhelds and phones, though, it leads the UHS-I group on stated numbers — with only 87 ratings behind it, and a five-year limited warranty.

Seventh on the numbers: 160 MB/s read, Media Speed listed simply as '120' with no unit given, UHS-I U1 in the bullets, 1 TB, and £182.99. This is a mainstream card rather than a performance one, and the price sits above the faster Lexar Play at £169.99.

The U1 rating is the detail worth stopping on. U1 guarantees only a 10 MB/s minimum write, well below the V30 class the SanDisk and Lexar cards carry, yet the listing still claims 4K UHD and Super Slow Motion recording. In practice, treat that 120 figure — whatever unit it is — as the real write number.

Who should avoid it: anyone recording long 4K takes, or using the card in a dashcam or CCTV system. Samsung's own warranty note excludes dashcam, CCTV and surveillance use, and the SD adapter is covered for one year against ten for the card. As a result, for a phone or tablet the 160 MB/s read and 4,938 ratings at 4.7 are perfectly reasonable.

On paper this is the best 1TB microSD card specification under £210: 200 MB/s read and 150 MB/s write for £205, which beats the £249 Extreme PRO's 140 MB/s write and matches its read figure. It carries UHS-I, U3, Class 10 and A2 ratings, and it ranks 7th in Amazon's Micro SD Memory Cards list.

Read the small print and the picture changes. The listing states that 200 MB/s is above the UHS-I ceiling and requires the Amazon Basics Micro SD Card Reader USB-C 3.0. It also states that usable capacity is higher than 908GB — worth knowing when a 1 TB label does not mean 1 TB in your file manager. It is shockproof, IPX6 waterproof, temperature-proof from -10° to 80°, x-ray and magnetic proof.

There is one hard compatibility limit: the listing says outright that it is not compatible with the Nintendo Switch 2. So if you are shopping for a 1TB microSD card for Nintendo Switch, this is not it. For a camera, drone or Android device it is a strong 1TB microSDXC memory card at the price — with no Express interface and no lifetime warranty.

At £109.99 this is the cheap 1TB microSD card in the list, and it has by far the most feedback: 132,166 ratings at 4.6. It claims up to 150 MB/s transfer and A1 app performance, and it is aimed at Android phones and tablets rather than consoles, cameras or drones.

The catch is what the listing does not say. The spec table's Media Speed field reads '[0.4, 150] MB/s' — a range covering the card's behaviour rather than a write figure — and no write speed appears anywhere on the page. Meanwhile A1 sits one rung below the A2 rating every other card here carries, which affects app launch times on a handheld or phone.

Do not buy it for a console, a drone or 4K capture: no V rating is listed, and U1 is the only speed class given. Buy it if you want maximum capacity for photos, music and video on a phone at the lowest outlay here — and accept that the write side is undocumented.