Western Digital 500GB SSD PCIe 4.0 NVMe M.2 2280
The PCIe 4.0 interface delivers 6800 MB/s reads and 5800 MB/s writes, with 760K random read IOPS, making it 35% faster than the prior generation. Its DRAM-less TLC design and 3000 TBW endurance suit heavy workloads, while the WD_BLACK Dashboard (Windows only) helps optimize performance. Best for gamers upgrading laptops or handhelds who need fast load times and efficient power use.
Snapshot
The 30-Second Version
Absurd endurance in a tiny package, but 500GB and no DRAM make it a niche pick. Great for handhelds, wrong for main rigs.
Pros & Cons
Pros
- Endurance is the absolute best right now, 3000 TBW on a 500GB drive is absurd 100th
- Random write performance is a standout, 1200K IOPS without DRAM 94th
- Single-sided design fits in tight handhelds and thin laptops 81st
- Power efficiency is genuinely better than the last gen 67th
Cons
- 500GB capacity is a weak spot, you'll fill it fast
- DRAM-less design can choke on sustained heavy writes
- Documentation is poor, good luck if you're new to installing M.2 drives
- Social proof is dead last, almost nobody has reviewed this thing
What owners think
The Word on the Street
The proof
Performance
The sequential numbers are solid for a Gen4 drive, 6800 MB/s read and 5800 MB/s write, which puts it well above average in our database. But the real surprise is the random write IOPS. 1200K is a standout, one of the best on the market, and that's with no DRAM cache. It's not going to win any capacity awards, but for loading games or booting Windows, it feels snappier than the spec sheet suggests.
Specifications
Full Specifications
Drive
| Capacity | 500 |
| Form Factor | M.2 2280 |
| Interface | PCIe 4.0 |
| Protocol | NVMe |
| PCIe Generation | 4 |
| External | No |
Performance
| Sequential Read (MB/s) | 6800 |
| Sequential Write (MB/s) | 5800 |
| Random Read (IOPS) | 760000 |
| Random Write (IOPS) | 1200000 |
Hardware
| NAND | TLC |
| DRAM Cache | No |
Reliability
| Endurance (TBW) | 3000 |
| MTBF (hours) | 1750000 |
| Warranty (years) | 3 |
Features
| Heatsink | No |
vs Competition
Against the Crucial T710, the SN7100 wins on endurance but loses on capacity and raw speed. The XPG GAMMIX S70 Blade is a closer fight, similar random performance but the XPG comes in bigger sizes. The Samsung 990 EVO is the one to watch if you want a more balanced drive with better software support. For a 500GB boot drive in a handheld, the SN7100 is the endurance king. For a desktop main drive, any of those competitors with 1TB or 2TB options makes more sense.
| Spec | Western Digital 500GB SSD | Samsung 990 PRO | Crucial T700 | Lexar Professional NM1090 PRO LNM109P002T-RNNNU | Team Group MP44 TM8FPW004T0C101 | MSI SPATIUM M480 PRO |
|---|---|---|---|---|---|---|
| Capacity | 500GB | 2TB | 2TB | 2TB | 4TB | 1TB |
| Form Factor | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 |
| Interface | PCIe 4.0 | PCIe 4.0 x4 | PCIe 5.0 x4 | PCIe 5.0 | PCIe 4.0 x4 | PCIe 4.0 x4 |
| Seq Read | 6,800 MB/s | 7,450 MB/s | 12,400 MB/s | 14,000 MB/s | 7,400 MB/s | 7,400 MB/s |
| Nand Type | TLC | TLC | TLC | TLC | SLC | TLC |
| Dram Cache | false | true | true | true | false | true |
| Endurance | 3000 TBW | 1200 TBW | 1200 TBW | 1400 TBW | 2000 TBW | 3000 TBW |
| Compare | Compare | Compare | Compare | Compare |
| Product | Speed | Random | Feature | Capacity | Endurance | Social Proof | Affordability |
|---|---|---|---|---|---|---|---|
| Western Digital 500GB SSD | 80.5 | 93.8 | 53.3 | 26.8 | 99.6 | 6.1 | 66.7 |
| Samsung 990 PRO Compare | 93.7 | 97.4 | 98.9 | 78.4 | 85.7 | 95.3 | 23.5 |
| Crucial T700 Compare | 96.6 | 97.6 | 97.5 | 78.4 | 82.7 | 77.4 | 26 |
| Lexar Professional NM1090 PRO LNM109P002T-RNNNU Compare | 98.1 | 98.5 | 97.5 | 78.4 | 90.9 | 52.1 | 26.4 |
| Team Group MP44 TM8FPW004T0C101 Compare | 93.6 | 88.6 | 78.4 | 92.5 | 76.7 | 87.1 | 16.2 |
| MSI SPATIUM M480 PRO Compare | 94 | 81 | 94 | 55.3 | 98.6 | 95.3 | 44.2 |
Price
Value & Pricing
Pricing is all over the place. In the US you'll see it anywhere from USD 138 to USD 223, and the best deal we found is at Newegg. In Canada the spread is even worse, CAD 162 to CAD 260, with Memory Express having the lowest price. At the low end, this is a great value for a drive with this endurance. At the high end, you're getting robbed. Shop around before you buy.
Amazon 1 offer From CA$236
Price History
Read more
Overview
The WD_BLACK SN7100 500GB is a weird little drive. It's got endurance numbers that embarrass drives twice its price, but it's also DRAM-less and only 500GB, which feels like putting racing tires on a golf cart. The one thing to know: if you need a tiny, tough boot drive for a handheld or a secondary game library, this thing punches way above its weight class. If you're building a main desktop rig, keep scrolling.
Common Questions
Q: Can this handle heavy gameplay streaming?
Yeah, the 3000 TBW endurance rating is overkill for streaming. You'd have to write hundreds of gigs a day for years to wear it out.
Q: Is this good for a portable gaming device?
Yes, it's single-sided and power efficient, so it fits in handhelds and won't murder your battery. Just make sure your device supports M.2 2280.
Q: Is there software to monitor the drive?
WD_BLACK Dashboard is free for Windows and gives you health monitoring and firmware updates. It's basic but it works.
Who Should Skip This
If you're looking for a big, fast main drive for a desktop gaming PC, this isn't it. 500GB fills up after a few modern games and the DRAM-less design isn't ideal for heavy sustained writes. Go grab a 1TB or 2TB Crucial T710 or Samsung 990 EVO instead.
Verdict
Buy it if you need a small, tough drive for a Steam Deck, a thin laptop, or a secondary game library. The endurance is best-in-class and the random performance is genuinely impressive. But don't buy it as your only desktop drive. 500GB is too small and the DRAM-less design will show its limits under heavy sustained writes.
Usage Scores
- Overall67.1
- Budget75.1
- Gaming50.2
- Laptop63.5
- Console46.4
- Portable13.8
- Workstation64.1
