New
Western Digital 256GB SSD PCIe 3.0 x4 NVMe M.2
Capacity 256GB
Form Factor M.2
Interface PCIe 3.0 x4
Read Speed 3,150 MB/s
NAND TLC
Endurance 200 TBW
57 Overall Score
Price ¥21,662
Snapshot
Pros & Cons
Pros
- Strong random (83rd percentile) 83rd
- Strong endurance (79th percentile) 79th
- Strong affordability (70th percentile) 70th
Cons
- Below average capacity (18th percentile)
- Below average social proof (31st percentile)
The proof
Performance
Specifications
Full Specifications
Drive
| Capacity | 256 |
| Form Factor | M.2 |
| Interface | PCIe 3.0 x4 |
| Protocol | NVMe |
| PCIe Generation | 3 |
| External | No |
Performance
| Sequential Read (MB/s) | 3150 |
| Sequential Write (MB/s) | 2100 |
| Random Read (IOPS) | 270000 |
| Random Write (IOPS) | 280000 |
Hardware
| NAND | TLC |
Reliability
| Endurance (TBW) | 200 |
| MTBF (hours) | 1750000 |
vs Competition
| Spec | Western Digital 256GB SSD | Samsung 990 PRO | Kingston FURY Renegade SFYRDK/4000G | Crucial T500 CT1000T500SSD5 | SanDisk Black SN850X WDBB9G0040BNC-WRSN | Lexar NM1090 PRO LNM109P004T-RNNNU |
|---|---|---|---|---|---|---|
| Capacity | 256GB | 2TB | 4TB | 1TB | 4TB | 4TB |
| Form Factor | M.2 | M.2 2280 | M.2 2280 | M.2 | M.2 | M.2 2280 |
| Interface | PCIe 3.0 x4 | PCIe 4.0 x4 | PCIe 4.0 x4 | PCIe 4.0 | PCIe 4.0 x4 | PCIe 5.0 |
| Seq Read | 3,150 MB/s | 7,450 MB/s | 7,300 MB/s | 7,300 MB/s | 7,300 MB/s | 14,000 MB/s |
| Nand Type | TLC | TLC | TLC | TLC | TLC | SLC |
| Dram Cache | - | true | true | true | true | true |
| Endurance | 200 TBW | 1200 TBW | 4000 TBW | 600 TBW | 2400 TBW | 2800 TBW |
| Compare | Compare | Compare | Compare | Compare |
| Product | Speed | Random | Feature | Capacity | Endurance | Social Proof | Affordability |
|---|---|---|---|---|---|---|---|
| Western Digital 256GB SSD | 58 | 83.2 | 53.5 | 17.9 | 78.6 | 30.6 | 69.7 |
| Samsung 990 PRO Compare | 93.7 | 97.5 | 98.9 | 78.6 | 86 | 95.4 | 23.4 |
| Kingston FURY Renegade SFYRDK/4000G Compare | 93.3 | 94.4 | 94 | 92.6 | 94.1 | 95.4 | 9.5 |
| Crucial T500 CT1000T500SSD5 Compare | 91.4 | 96.7 | 98.9 | 55.6 | 83 | 95.4 | 56.2 |
| SanDisk Black SN850X WDBB9G0040BNC-WRSN Compare | 89 | 95.7 | 89.4 | 92.6 | 88.1 | 95.4 | 9.8 |
| Lexar NM1090 PRO LNM109P004T-RNNNU Compare | 98.2 | 98.5 | 97.5 | 92.6 | 75.2 | 56.8 | 9 |
Price
Value & Pricing
From ¥21,662
Amazon 1 offer From ¥21,662
We started tracking prices for this product on Nov 13, 2026. The chart appears once we have more data.
Usage Scores
- Overall56.9
- Budget73.3
- Gaming43.7
- Laptop55.2
- Console20
- Portable11.6
- Workstation57.5
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
