New
Western Digital SN740
Capacity 512GB
Form Factor M.2 2242
Interface PCIe 4.0 x4
Read Speed 5,200 MB/s
NAND TLC
46 Overall Score
Price $134
Snapshot
Pros & Cons
Pros
- Strong random (83rd percentile) 83rd
- Strong speed (74th percentile) 74th
Cons
- Below average endurance (15th percentile)
- Below average capacity (34th percentile)
The proof
Performance
Specifications
Full Specifications
Drive
| Capacity | 512 |
| Form Factor | M.2 2242 |
| Interface | PCIe 4.0 x4 |
| Protocol | NVMe |
| PCIe Generation | 4 |
| External | No |
Performance
| Sequential Read (MB/s) | 5200 |
| Sequential Write (MB/s) | 4700 |
| Random Read (IOPS) | 380000 |
| Random Write (IOPS) | 330000 |
Hardware
| NAND | TLC |
vs Competition
| Spec | Western Digital SN740 | Samsung 990 PRO | Crucial T710 | Corsair MP700 Elite | Lexar Professional NM1090 PRO | ADATA GAMMIX S70 Blade AGAMMIXS70B-2T-CS |
|---|---|---|---|---|---|---|
| Capacity | 512GB | 2TB | 2TB | 1TB | 2TB | 2TB |
| Form Factor | M.2 2242 | 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 5.0 x4 | PCIe 5.0 x4 | PCIe 5.0 x4 | PCIe 4.0 |
| Seq Read | 5,200 MB/s | 7,450 MB/s | 14,900 MB/s | 10,000 MB/s | 14,400 MB/s | 7,400 MB/s |
| Nand Type | TLC | TLC | TLC | TLC | TLC | TLC |
| Dram Cache | - | true | true | false | true | true |
| Endurance | - | 1200 TBW | 1200 TBW | 600 TBW | 1400 TBW | 1480 TBW |
| Compare | Compare | Compare | Compare | Compare |
| Product | Speed | Random | Feature | Capacity | Endurance | Social Proof |
|---|---|---|---|---|---|---|
| Western Digital SN740 | 73.5 | 82.6 | 53.3 | 34 | 14.5 | 43.2 |
| Samsung 990 PRO Compare | 93.1 | 96.9 | 99.1 | 78.5 | 86.2 | 96.4 |
| Crucial T710 Compare | 99.2 | 98.7 | 97.5 | 78.5 | 83.1 | 82.5 |
| Corsair MP700 Elite Compare | 94.6 | 96.4 | 85.3 | 54.8 | 87.5 | 96.4 |
| Lexar Professional NM1090 PRO Compare | 98.1 | 98.1 | 97.5 | 78.5 | 89.7 | 40.8 |
| ADATA GAMMIX S70 Blade AGAMMIXS70B-2T-CS Compare | 92.1 | 89.3 | 93.7 | 78.5 | 77.6 | 82.5 |
Price
Value & Pricing
From $134
Amazon 1 offer From $134
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.
