New
Western Digital SN SN770
Capacity 250GB
Form Factor M.2 2280
Interface PCIe 4.0 x4
Read Speed 4,000 MB/s
Endurance 200 TBW
54 Overall Score
No current retailer price
Snapshot
Pros & Cons
Pros
- Strong endurance (92nd percentile) 92nd
- Strong random (84th percentile) 84th
Cons
- Below average capacity (13th percentile)
- Below average feature (14th percentile)
The proof
Performance
Specifications
Full Specifications
Drive
| Capacity | 250 |
| Form Factor | M.2 2280 |
| Interface | PCIe 4.0 x4 |
| Protocol | NVMe |
| PCIe Generation | 4 |
| External | No |
Performance
| Sequential Read (MB/s) | 4000 |
| Sequential Write (MB/s) | 2000 |
| Random Read (IOPS) | 240000 |
| Random Write (IOPS) | 470000 |
Reliability
| Endurance (TBW) | 200 |
| MTBF (hours) | 1750000 |
| Warranty (years) | 5 |
Features
| Heatsink | No |
vs Competition
| Spec | Western Digital SN SN770 | Samsung 990 PRO | Crucial T500 | Kingston Fury Renegade SFYRDK/2000G | SanDisk Western Digital WDS400T1X0M | Corsair MP700 Elite |
|---|---|---|---|---|---|---|
| Capacity | 250GB | 2TB | 2TB | 2TB | 4TB | 2TB |
| Form Factor | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 |
| Interface | PCIe 4.0 x4 | PCIe 4.0 x4 | PCIe 4.0 x4 | PCIe 4.0 x4 | PCIe 5.0 x4 | PCIe 5.0 x4 |
| Seq Read | 4,000 MB/s | 7,450 MB/s | 7,400 MB/s | 7,300 MB/s | 14,900 MB/s | 10,000 MB/s |
| Nand Type | - | TLC | TLC | TLC | TLC | TLC |
| Dram Cache | - | true | true | true | true | true |
| Endurance | 200 TBW | 1200 TBW | 1200 TBW | 2000 TBW | 2400 TBW | 1200 TBW |
| Compare | Compare | Compare | Compare | Compare |
| Product | Speed | Random | Feature | Capacity | Endurance | Social Proof |
|---|---|---|---|---|---|---|
| Western Digital SN SN770 | 60.7 | 83.5 | 14 | 12.5 | 92.4 | 35.8 |
| Samsung 990 PRO Compare | 93.4 | 97 | 99 | 78.3 | 85.6 | 95.5 |
| Crucial T500 Compare | 93.7 | 96.4 | 99 | 78.3 | 82.6 | 95.5 |
| Kingston Fury Renegade SFYRDK/2000G Compare | 92.9 | 93.8 | 93.9 | 78.3 | 93.7 | 95.5 |
| SanDisk Western Digital WDS400T1X0M Compare | 97.5 | 99.1 | 97.5 | 92.5 | 80.5 | 0 |
| Corsair MP700 Elite Compare | 94.7 | 96.6 | 99.8 | 78.3 | 86.8 | 38.5 |
Price
Value & Pricing
We started tracking prices for this product on Nov 8, 2026. The chart appears once we have more data.
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
