Seagate Expansion 4TB Portable USB 3.0
Seagate
33 Overall Score
vs
Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
Western Digital
94 Overall Score
Scores
Console
Gaming
Workstation
Budget
Laptop
Portable
Specifications
| Seagate Expansion | Western Digital WD_BLACK SN850X | |
|---|---|---|
| Drive | ||
| Capacity | ||
| Form Factor | External | M.2 2280 |
| Interface | USB 3.0 | PCIe 4.0 x4 |
| Protocol | — | NVMe |
| PCIe Generation | — | 4★ |
| External | ✓ | ✗ |
| Performance | ||
| Sequential Read (MB/s) | No data | |
| Sequential Write (MB/s) | No data | |
| Random Read (IOPS) | No data | |
| Random Write (IOPS) | No data | |
| Hardware | ||
| NAND | — | TLC★ |
| DRAM Cache | — | ✓★ |
| Reliability | ||
| Endurance (TBW) | No data | |
| MTBF (hours) | No data | |
| Warranty (years) | — | 3★ |
| Features | ||
| Heatsink | — | ✓★ |
Pros & Cons
Seagate Expansion 4TB Portable USB 3.0
- Strong capacity (93rd percentile)93rd %ile
- Below average speed (2nd percentile)2nd %ile
- Below average random (3rd percentile)3rd %ile
- Below average endurance (15th percentile)15th %ile
- Below average feature (15th percentile)15th %ile
Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
- Strong random (96th percentile)96th %ile
- Strong social proof (95th percentile)95th %ile
- Strong feature (94th percentile)94th %ile
- Strong capacity (93rd percentile)93rd %ile
- Below average affordability (9th percentile)9th %ile
Pricing
Seagate Expansion 4TB Portable USB 3.00.124score per dollar
vs
Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 22800.081score per dollar
Seagate Expansion 4TB Portable USB 3.0 offers 1.5x better value for money
Seagate Expansion 4TB Portable USB 3.0
Western Digital WD_BLACK SN850X 4TB PCIe 4.0 x4 NVMe M.2 2280
Verdict
Winner: Western Digital WD_BLACK SN850X
Scores 94 overall, wins 5 of 6 usage categories and 11 of 16 specs.
