SanDisk WD_BLACK SN8100 8TB PCIe 5.0 x4 NVMe M.2 2280
Western Digital WD_BLACK SN770 1TB PCIe 4.0 x4 NVMe M.2 2280
What Buyers Say
SanDisk WD_BLACK SN8100 8TB PCIe 5.0 x4 NVMe M.2 2280
Users are overwhelmingly positive about this WD Black SN8100 Gen5 NVMe SSD, praising its exceptional speed and sustained performance. Verified buyers highlight its fast sequential reads and strong endurance, with one noting it outperforms other drives in sustained workloads. The only caveat is the high price, but most agree it's worth it for top-tier performance.
Pros
- Exceptional Gen5 speed
- Sustained performance
- High endurance (4,800 TBW)
- Reliable brand reputation
- Positive expert reviews
Cons
- High price
- Limited availability
Western Digital WD_BLACK SN770 1TB PCIe 4.0 x4 NVMe M.2 2280
Users are overwhelmingly positive about this WD SN770 SSD, praising its price-to-performance ratio and reliability. It works well as a boot drive for Windows 11 and as a secondary drive, with fast speeds for most use cases. Some noted that performance is limited by PCIe 3.0 interface bandwidth on older motherboards, but it still outperforms older SATA drives. Overall, it's a highly recommended, competitively priced SSD.
Pros
- Excellent price-to-performance ratio
- Reliable and dependable
- Fast boot and load times
- Great value for money
- Works well as boot or secondary drive
Cons
- Performance limited by PCIe 3.0 on older boards
- No 4x4 slot available for full benchmark
Scores
Specifications
| SanDisk WD_BLACK SN8100 | Western Digital WD_BLACK SN770 | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | M.2 2280 | M.2 2280 |
| Interface | PCIe 5.0 x4 | PCIe 4.0 x4 |
| Protocol | NVMe | NVMe |
| PCIe Generation | 5★ | 4 |
| External | ✗ | ✗ |
| Performance | ||
| Sequential Read (MB/s) | ||
| Sequential Write (MB/s) | ||
| Random Read (IOPS) | ||
| Random Write (IOPS) | ||
| Hardware | ||
| NAND | TLC | TLC |
| DRAM Cache | ✓★ | ✗ |
| Reliability | ||
| Endurance (TBW) | ||
| MTBF (hours) | ||
| Warranty (years) | 3 | 5★ |
| Features | ||
| Heatsink | ✗ | — |
| Hardware Encryption | ✓★ | — |
Pros & Cons
SanDisk WD_BLACK SN8100 8TB PCIe 5.0 x4 NVMe M.2 2280
- Strong random (99th percentile)99th %ile
- Strong speed (99th percentile)99th %ile
- Strong capacity (98th percentile)98th %ile
- Strong feature (98th percentile)98th %ile
- Below average affordability (3rd percentile)3rd %ile
Western Digital WD_BLACK SN770 1TB PCIe 4.0 x4 NVMe M.2 2280
- Strong social proof (95th percentile)95th %ile
- Strong random (91st percentile)91st %ile
- Strong endurance (88th percentile)88th %ile
- Strong user sentiment (79th percentile)
- Below average affordability (34th percentile)
Verdict
Scores 94 overall, wins 4 of 6 usage categories and 9 of 17 specs.