Solidigm D7-P5520 3.84TB PCIe 4.0 x4 NVMe U.2
Solidigm
81 Overall Score
vs
Western Digital WD_BLACK SN850X 8TB PCIe 4.0 x4 NVMe M.2 2280
Western Digital
97 Overall Score
Scores
Workstation
Gaming
Console
Laptop
Budget
Portable
Specifications
| Solidigm D7-P5520 | Western Digital WD_BLACK SN850X | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | U.2 | M.2 2280 |
| Interface | PCIe 4.0 x4 | PCIe 4.0 x4 |
| Protocol | NVMe | NVMe |
| PCIe Generation | 4 | 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) | ||
| MTBF (hours) | ||
| Warranty (years) | 5 | 5 |
| Features | ||
| Heatsink | — | ✓★ |
| Hardware Encryption | ✓★ | — |
Pros & Cons
Solidigm D7-P5520 3.84TB PCIe 4.0 x4 NVMe U.2
- Strong endurance (98th percentile)98th %ile
- Strong capacity (88th percentile)88th %ile
- Strong feature (79th percentile)
- Strong speed (79th percentile)
- Below average affordability (3rd percentile)3rd %ile
Western Digital WD_BLACK SN850X 8TB PCIe 4.0 x4 NVMe M.2 2280
- Strong capacity (98th percentile)98th %ile
- Strong random (96th percentile)96th %ile
- Strong social proof (95th percentile)95th %ile
- Strong feature (94th percentile)94th %ile
- Below average affordability (4th percentile)4th %ile
Pricing
Solidigm D7-P5520 3.84TB PCIe 4.0 x4 NVMe U.20.028score per dollar
vs
Western Digital WD_BLACK SN850X 8TB PCIe 4.0 x4 NVMe M.2 22800.051score per dollar
Western Digital WD_BLACK SN850X 8TB PCIe 4.0 x4 NVMe M.2 2280 offers 1.8x better value for money
Verdict
Winner: Western Digital WD_BLACK SN850X
Scores 97 overall, wins 6 of 6 usage categories and 7 of 17 specs.
