Western Digital BLACK SN7100 1TB PCIe 4.0 x4 NVMe M.2 2280

The WD Black SN7100 is a DRAM-less Gen4 drive that still hits 7,250 MB/s reads and earns a 4.9-star average from owners. Speed is top-tier, endurance is strong, and value is excellent if you find it near the low end of the USD 185 to USD 356 range. Buy it for gaming, skip it for portable use.

Sequential reads hit 7,250 MB/s and writes land at 6,900 MB/s. That's fast enough to make game load screens feel like a blink. The DRAM-less design doesn't hurt here, thanks to Western Digital's newer TLC NAND and a smart controller. Random performance is more middle of the pack, so if you're hammering it with tons of tiny file operations all day, you'll notice it's not a 990 PRO. But for gaming and everyday use, this thing flies. Endurance is well above average at 600 TBW for the 1TB model, and the 2TB version doubles that to 1,200 TBW.

Against the Samsung 990 PRO, the SN7100 wins on value but loses on random performance and software polish. The Crucial T500 is a closer fight, with similar sequential speeds and better random numbers, but it usually costs more. The Kingston Fury Renegade and Team Group MP44 are both solid alternatives, but neither matches the SN7100's combination of speed and user satisfaction. The Lexar NM1090 PRO is a Gen5 drive, so it's faster on paper, but you'll pay a premium and need a Gen5 motherboard to see it. For most gamers on Gen4, the SN7100 is the sweet spot.

Pricing is all over the place right now. We're seeing USD 185 to USD 356 across three US listings, which is a wild spread for the same 1TB drive. At the low end, this is a steal. At the high end, you're paying Samsung 990 PRO money for a drive that doesn't quite match it in random performance. Shop around. If you can grab it near the USD 185 mark, it's one of the best value Gen4 drives on the market. If you're staring at USD 300+, wait for a sale or look elsewhere.

The WD Black SN7100 is a Gen4 drive that skips the DRAM cache but still hits 7,250 MB/s reads. That's a big deal for a DRAM-less design, and it shows in the numbers. Our database puts its speed in the top tier, and real buyers seem to agree, with a 4.9-star average across 230 reviews.

It's aimed at gamers who want fast load times without paying flagship money. The 1TB model we're looking at lands at 600 TBW endurance, which is solid for the price. Just don't expect it to be a portable drive, that's where it falls flat.

Skip this if you need a drive for heavy workstation tasks like video editing or database work. The lack of DRAM and middling random performance will hold you back there. Also skip it if you want to throw it in an external enclosure for portable use, that's the one area where this drive really struggles. And if you're already on a Gen5 motherboard and want to max out speeds, look at a Gen5 drive instead.

If you're building or upgrading a gaming PC and want fast load times without spending flagship money, this is your drive. It's fast, reliable, and real owners love it. The DRAM-less design is a non-issue for gaming, and the endurance rating means you won't wear it out anytime soon. Just make sure you're getting it at a good price, because the spread between vendors is ridiculous right now.