Silicon Power Ace A55 2TB SATA III 2.5"
Western Digital WD_BLACK SN8100 1TB PCIe 5.0 x4 NVMe M.2 2280
What Buyers Say
Silicon Power Ace A55 2TB SATA III 2.5"
Most users are very satisfied with this SSD, praising its speed, ease of installation, and excellent value for money, especially when upgrading from a hard drive. However, a couple of reviews report early failures and data loss, which tempers overall enthusiasm. The product is generally recommended for budget builds and laptop upgrades, but reliability concerns remain for some.
Pros
- Fast performance
- Easy installation
- Great value for money
- Good for laptop upgrades
- Includes migration software
Cons
- Early failure risk
- Data loss reported
- Not for heavy write workloads
Western Digital WD_BLACK SN8100 1TB PCIe 5.0 x4 NVMe M.2 2280
All seven verified reviews are overwhelmingly positive, praising the WD_BLACK SN8100 as the fastest Gen5 NVMe SSD with no issues. Users highlight its sustained speeds, strong performance on PCIe 5.0 motherboards, and good value at the time of purchase. One reviewer notes it outlasts other drives in cache performance, and Q&A confirms M.2 2280 form factor with up to 14,900 MBps read speed.
Pros
- Fastest Gen5 NVMe SSD
- No issues of any kind
- Super fast on PCIe 5.0
- Strong sustained speeds
- Good price at time of purchase
Cons
- Expensive (implied by 'if you can afford it')
Scores
Specifications
| Silicon Power Ace A55 | Western Digital WD_BLACK SN8100 | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | 2.5" | M.2 2280 |
| Interface | SATA III | PCIe 5.0 x4 |
| Protocol | SATA | NVMe |
| PCIe Generation | — | 5★ |
| 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) | 3 | 3 |
| Features | ||
| Heatsink | ✗ | ✓★ |
| Hardware Encryption | — | ✓★ |
Pros & Cons
Silicon Power Ace A55 2TB SATA III 2.5"
- Strong capacity (79th percentile)
- Below average speed (15th percentile)15th %ile
- Below average random (22nd percentile)
- Below average user sentiment (29th percentile)
Western Digital WD_BLACK SN8100 1TB PCIe 5.0 x4 NVMe M.2 2280
- Strong feature (100th percentile)100th %ile
- Strong user sentiment (100th percentile)100th %ile
- Strong random (99th percentile)99th %ile
- Strong speed (98th percentile)98th %ile
Verdict
Scores 95 overall, wins 6 of 6 usage categories and 10 of 17 specs.