Western Digital 2TB SSD PCIe 4.0 NVMe M.2 2230

The WD_BLACK SN770M 2TB is the best 2230 SSD for handheld gaming, with 5150 MB/s reads and 1200 TBW endurance. It's expensive, sitting at the 22nd percentile for affordability, but the 4.8/5 rating across 1528 reviews says owners think it's worth it. If you need 2TB in a Steam Deck or ROG Ally, this is the one.

5150 MB/s sequential read and 4850 MB/s write. For a 2230 drive, that's excellent. The random performance is even more impressive: 650K read IOPS and 800K write IOPS. That's what you'll feel when loading games and moving around big open worlds. The drive is DRAM-less, which usually means a hit to sustained performance, but Sandisk's nCache 4.0 tech picks up the slack by using a chunk of the TLC NAND as SLC cache. In practice, owners report snappy level loads and quick installs on Steam Deck and ROG Ally.

In our database, speed lands at the 76th percentile, which is strong but not leading. The random performance is a standout at the 90th percentile, and that matters more for gaming than raw sequential numbers. The endurance rating of 1200 TBW puts it at the 88th percentile, so you can write a lot of data before this thing wears out. DirectStorage support is here too, which will matter more as games actually start using it.

Against the Samsung 9100 PRO, the SN770M can't match the raw speed, but Samsung doesn't make a 2230 version of that drive, so it's not a direct fight. The Kingston FURY Renegade and Crucial T710 are both faster on paper, but again, they're 2280 drives. If your device only takes 2230, those aren't options. The Team Group MP44 is a closer competitor in the value space, but its endurance and brand track record don't match WD's. The Lexar NM1090 PRO is another 2280 drive with higher peak speeds. The real comparison here is with other 2230 drives, and in that category, the SN770M is one of the best on the market. The 2TB capacity is a big deal too, since many 2230 options top out at 1TB.

This is where things get tricky. The drive sits at the 22nd percentile for affordability, which is disappointing. In the US it's around $400, and in Europe the spread is EUR 344 to EUR 460 across four listings. That's a EUR 116 gap depending on where you shop, so it pays to check a few stores before you commit. The best deal we're seeing is at the EUR 344 end, and if you can find it there, the price per gigabyte starts to look more reasonable. You're paying a premium for the 2230 form factor and the WD_BLACK name, and for handheld owners who want max capacity and speed, that's often worth it. For everyone else, a standard 2280 drive will give you similar or better performance for less money.

The WD_BLACK SN770M 2TB is a niche product that nails its niche. It's an M.2 2230 drive, the tiny form factor that fits handhelds like the Steam Deck and ROG Ally, and it pushes 5150 MB/s reads and 4850 MB/s writes. That's not just fast for a 2230, it's fast for any PCIe 4.0 drive. The 1200 TBW endurance rating and 5-year warranty back it up, and with a 4.8/5 rating across 1528 reviews, buyers are clearly happy. But you'll pay for the privilege, and the price tag is the main thing keeping this from being an easy recommendation for everyone.

We scored it 83.8 out of 100 overall, with laptop use at 89 and budget at 84.3. The weakest area is portability at 20.9, which sounds odd for a drive designed to go inside a handheld. That score reflects the fact that it's an internal component, not a portable external drive. Once it's installed, it's not going anywhere, and that's exactly the point. The social proof is top of the charts, and endurance is a standout. Speed is strong but not best-in-class, which is fine when you consider the size constraints.

If you're building a desktop or upgrading a laptop with a standard M.2 2280 slot, skip this. The 2230 form factor commands a price premium, and the affordability score of 22nd percentile means you're paying extra for the small size. A standard 2280 drive like the Kingston FURY Renegade or Crucial T710 will give you better raw performance for less money. Also skip it if you're on a tight budget and don't need 2TB, since the price per gigabyte is hard to justify when 1TB 2230 drives exist for much less.

If you own a Steam Deck, ROG Ally, or Legion Go and you're tired of juggling game installs, this is the drive to get. The 2TB capacity, 5150 MB/s reads, and 1200 TBW endurance make it the best 2230 option we've tested. The 4.8/5 rating from 1528 owners backs that up. The price is high, and the affordability percentile is rough, but there's no other 2230 drive that combines this capacity, speed, and warranty. Buy it when you find a deal, especially if you can snag it at the lower end of that EUR 344 to EUR 460 range.