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 (18th percentile)18th %ile
- Below average random (22nd percentile)
Pricing
Western Digital Black SN850X 1TB PCIe 4.0 x4 NVMe M.2 22800.463score per dollar
vs
ADATA SU650 256GB SATA III 2.5"0.239score per dollar
Western Digital Black SN850X 1TB PCIe 4.0 x4 NVMe M.2 2280 offers 1.9x better value for money
Verdict
Winner: Western Digital Black SN850X
Scores 86 overall, wins 6 of 6 usage categories and 9 of 17 specs.
