KingSpec P3-FB 512GB SATA III 2.5"
KingSpec
42 Overall Score
vs
Western Digital Black SN850X 1TB PCIe 4.0 x4 NVMe M.2 2280
Western Digital
86 Overall Score
Scores
Budget
Laptop
Workstation
Gaming
Console
Portable
Specifications
| KingSpec P3-FB | Western Digital 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) | 3 | 5★ |
| Features | ||
| Heatsink | ✗ | ✗ |
| Hardware Encryption | — | ✗ |
Pros & Cons
KingSpec P3-FB 512GB SATA III 2.5"
- Strong affordability (86th percentile)86th %ile
- Strong social proof (68th percentile)
- Below average random (22nd percentile)
- Below average capacity (34th percentile)
Western Digital Black SN850X 1TB PCIe 4.0 x4 NVMe M.2 2280
- Strong social proof (95th percentile)95th %ile
- Strong random (93rd percentile)93rd %ile
- Strong feature (89th percentile)89th %ile
- Strong endurance (88th percentile)88th %ile
Pricing
KingSpec P3-FB 512GB SATA III 2.5"0.569score per dollar
vs
Western Digital Black SN850X 1TB PCIe 4.0 x4 NVMe M.2 22800.463score per dollar
KingSpec P3-FB 512GB SATA III 2.5" offers 1.2x better value for money
Verdict
Winner: Western Digital Black SN850X
Scores 86 overall, wins 6 of 6 usage categories and 10 of 17 specs.
