Western Digital Black SN850X 1TB PCIe 4.0 x4 NVMe M.2 2280
Western Digital
86 Overall Score
vs
ADATA SU650 256GB SATA III 2.5"
ADATA
33 Overall Score
Scores
Laptop
Workstation
Budget
Gaming
Console
Portable
Specifications
| Western Digital Black SN850X | ADATA SU650 | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 2280 | 2.5" |
| Interface | PCIe 4.0 x4 | SATA III |
| Protocol | NVMe | SATA |
| PCIe Generation | 4★ | — |
| External | ✗ | ✗ |
| Performance | ||
| Sequential Read (MB/s) | ||
| Sequential Write (MB/s) | ||
| Random Read (IOPS) | No data | |
| Random Write (IOPS) | No data | |
| Hardware | ||
| NAND | TLC | TLC |
| DRAM Cache | ✓★ | ✗ |
| Reliability | ||
| Endurance (TBW) | No data | |
| MTBF (hours) | ||
| Warranty (years) | 5★ | 3 |
| Features | ||
| Heatsink | ✗ | — |
| Hardware Encryption | ✗ | — |
Pros & Cons
Western Digital Black SN850X 1TB PCIe 4.0 x4 NVMe M.2 2280
- Strong social proof (95th percentile)95th %ile
- Strong random (93rd percentile)93rd %ile
- Strong feature (89th percentile)89th %ile
- Strong endurance (88th percentile)88th %ile
ADATA SU650 256GB SATA III 2.5"
- Below average speed (17th percentile)17th %ile
- Below average capacity (17th percentile)17th %ile
- Below average random (22nd percentile)
Pricing
Western Digital Black SN850X 1TB PCIe 4.0 x4 NVMe M.2 22800.268score per dollar
vs
ADATA SU650 256GB SATA III 2.5"0.467score per dollar
ADATA SU650 256GB SATA III 2.5" offers 1.7x better value for money
Western Digital Black SN850X 1TB PCIe 4.0 x4 NVMe M.2 2280
ADATA SU650 256GB SATA III 2.5"
Verdict
Winner: Western Digital Black SN850X
Scores 86 overall, wins 6 of 6 usage categories and 9 of 17 specs.
