Silicon Power A55 128GB SATA III M.2 2280
Silicon Power
26 Overall Score
vs
Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
Western Digital
94 Overall Score
Scores
Console
Gaming
Workstation
Budget
Laptop
Portable
Specifications
| Silicon Power A55 | Western Digital WD_BLACK SN850X | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 2280 | M.2 2280 |
| Interface | SATA III | PCIe 4.0 x4 |
| Protocol | SATA | NVMe |
| PCIe Generation | — | 4★ |
| External | ✗ | ✗ |
| Performance | ||
| Sequential Read (MB/s) | No data | |
| Sequential Write (MB/s) | No data | |
| Random Read (IOPS) | No data | |
| Random Write (IOPS) | No data | |
| Hardware | ||
| NAND | TLC | TLC |
| DRAM Cache | ✗ | ✓★ |
| Reliability | ||
| Endurance (TBW) | No data | |
| MTBF (hours) | No data | |
| Warranty (years) | 3 | 3 |
| Features | ||
| Heatsink | ✗ | ✓★ |
Pros & Cons
Silicon Power A55 128GB SATA III M.2 2280
- Strong affordability (95th percentile)95th %ile
- Strong social proof (68th percentile)
- Below average capacity (7th percentile)7th %ile
- Below average speed (7th percentile)7th %ile
- Below average random (22nd percentile)
Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
- Strong random (96th percentile)96th %ile
- Strong social proof (95th percentile)95th %ile
- Strong feature (94th percentile)94th %ile
- Strong capacity (93rd percentile)93rd %ile
- Below average affordability (9th percentile)9th %ile
Pricing
Silicon Power A55 128GB SATA III M.2 22800.655score per dollar
vs
Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 22800.145score per dollar
Silicon Power A55 128GB SATA III M.2 2280 offers 4.5x better value for money
Verdict
Winner: Western Digital WD_BLACK SN850X
Scores 94 overall, wins 6 of 6 usage categories and 10 of 16 specs.
