Western Digital WD_BLACK SN8100 1TB PCIe 5.0 x4 NVMe M.2 2280
Western Digital
89 Overall Score
vs
Western Digital WD_BLACK SN770 2TB PCIe 4.0 x4 NVMe M.2 2280
Western Digital
79 Overall Score
What Buyers Say
Western Digital WD_BLACK SN8100 1TB PCIe 5.0 x4 NVMe M.2 2280
No customer feedback yet
Western Digital WD_BLACK SN770 2TB PCIe 4.0 x4 NVMe M.2 2280
45 out of 100 medium confidence 13 reviews
The WD_BLACK SN770 2TB offers excellent read speeds and is praised for gaming and secondary storage, but several users report serious reliability issues, including boot loops, BIOS failures, and partition corruption, especially when used as a Windows OS drive. While some recommend it for its performance, others advise against it for primary use and suggest alternatives like the SN850X. The lack of DRAM and potential thermal throttling are also noted concerns.
Pros
- Excellent read speeds
- Good for gaming and secondary storage
- Works with PS5
- No heatsink needed for normal use
- 5-year warranty
Cons
- Boot loops and BIOS failures
- Partition corruption
- Not reliable as OS drive
- Lack of DRAM cache
- Thermal throttling under heavy load
Read speed 3
Reliability 4
Os drive suitability 3
Dram cache 2
Thermal throttling 2
Compatibility 3
Scores
Laptop
Budget
Workstation
Gaming
Console
Portable
Specifications
| Western Digital 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
Western Digital WD_BLACK SN8100 1TB PCIe 5.0 x4 NVMe M.2 2280
- Strong random (98th percentile)98th %ile
- Strong speed (98th percentile)98th %ile
- Strong feature (97th percentile)97th %ile
- Strong social proof (95th percentile)95th %ile
Western Digital WD_BLACK SN770 2TB PCIe 4.0 x4 NVMe M.2 2280
- Strong social proof (95th percentile)95th %ile
- Strong random (90th percentile)90th %ile
- Strong endurance (88th percentile)88th %ile
- Strong capacity (78th percentile)
- Below average user sentiment (6th percentile)6th %ile
- Below average affordability (21st percentile)
Pricing
Western Digital WD_BLACK SN8100 1TB PCIe 5.0 x4 NVMe M.2 22800.356score per dollar
vs
Western Digital WD_BLACK SN770 2TB PCIe 4.0 x4 NVMe M.2 22800.274score per dollar
Western Digital WD_BLACK SN8100 1TB PCIe 5.0 x4 NVMe M.2 2280 offers 1.3x better value for money
Verdict
Winner: Western Digital WD_BLACK SN8100
Scores 89 overall, wins 5 of 6 usage categories and 7 of 17 specs.
