Silicon Power A55 128GB SATA III 2.5"
Silicon Power
33 Overall Score
vs
Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
Western Digital
99 Overall Score
What Buyers Say
Silicon Power A55 128GB SATA III 2.5"
No customer feedback yet
Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
92 out of 100 medium confidence 17 reviews
The WD Black SN850X is highly praised for its blazing speed, reliability, and value, often compared favorably to pricier alternatives like Samsung and Solidigm. Users report excellent performance in gaming (especially PS5) and general use, with a few concerns about potential issues mitigated by firmware updates. Overall, it's seen as a top-tier NVMe drive, especially when on sale.
Pros
- Blazing fast speeds
- Excellent value for money
- Reliable high-capacity storage
- Great for PS5
- Easy installation
Cons
- Potential firmware issues
- No heatsink included
- Pricey when not on sale
Speed 6
Value for money 4
Reliability 4
Ps5 compatibility 3
Firmware concerns 2
Installation 2
Scores
Budget
Console
Gaming
Workstation
Laptop
Portable
Specifications
| Silicon Power A55 | Western Digital WD_BLACK SN850X | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | 2.5" | M.2 2280 |
| Interface | SATA III | PCIe 4.0 x4 |
| Protocol | SATA | NVMe |
| 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) | No data | |
| Warranty (years) | 1 | 3★ |
| Features | ||
| Heatsink | ✗ | ✓★ |
Pros & Cons
Silicon Power A55 128GB SATA III 2.5"
- Strong social proof (79th percentile)
- Below average capacity (7th percentile)7th %ile
- Below average speed (22nd percentile)
- Below average random (22nd percentile)
- Below average endurance (33rd percentile)
Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
- Strong social proof (96th percentile)96th %ile
- Strong random (95th percentile)95th %ile
- Strong user sentiment (95th percentile)95th %ile
- Strong feature (94th percentile)94th %ile
Pricing
Silicon Power A55 128GB SATA III 2.5"1.331score per dollar
vs
Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 22800.152score per dollar
Silicon Power A55 128GB SATA III 2.5" offers 8.8x better value for money
Verdict
Winner: Western Digital WD_BLACK SN850X
Scores 99 overall, wins 6 of 6 usage categories and 11 of 16 specs.
