New
Corsair EX400U 1TB Portable USB4
Capacity 1TB
Form Factor External
Interface USB4
Read Speed 4,000 MB/s
40 Overall Score
No current retailer price
Snapshot
Pros & Cons
Pros
Cons
- Below average random (4th percentile)
- Below average endurance (15th percentile)
- Below average feature (15th percentile)
- Below average affordability (16th percentile)
The proof
Performance
Specifications
Full Specifications
Drive
| Capacity | 1000 |
| Form Factor | External |
| Interface | USB4 |
| External | Yes |
Performance
| Sequential Read (MB/s) | 4000 |
| Sequential Write (MB/s) | 3500 |
vs Competition
| Spec | Corsair EX400U | Samsung 9100 PRO | Western Digital Black SN850X | Kingston FURY Renegade G5 SFYR2S/4T0 | Crucial T700 | Seagate FireCuda 530R ZP4000GM3A073 |
|---|---|---|---|---|---|---|
| Capacity | 1TB | 4TB | 4TB | 4TB | 2TB | 4TB |
| Form Factor | External | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 | M.2 |
| Interface | USB4 | PCIe 5.0 x4 | PCIe 4.0 x4 | PCIe 5.0 x4 | PCIe 5.0 x4 | PCIe 4.0 x4 |
| Seq Read | 4,000 MB/s | 14,800 MB/s | 7,300 MB/s | 14,800 MB/s | 12,400 MB/s | 7,400 MB/s |
| Nand Type | - | TLC | TLC | TLC | TLC | TLC |
| Dram Cache | - | true | true | true | true | false |
| Endurance | - | 2400 TBW | 2400 TBW | 4000 TBW | 1200 TBW | 5050 TBW |
| Compare | Compare | Compare | Compare | Compare |
| Product | Speed | Random | Feature | Capacity | Endurance | Affordability |
|---|---|---|---|---|---|---|
| Corsair EX400U | 64.9 | 3.5 | 14.8 | 55.3 | 14.7 | 15.5 |
| Samsung 9100 PRO Compare | 99.2 | 99.8 | 99.7 | 92.5 | 85.8 | 5.3 |
| Western Digital Black SN850X Compare | 89 | 95.7 | 89.3 | 92.5 | 88 | 9.5 |
| Kingston FURY Renegade G5 SFYR2S/4T0 Compare | 99.5 | 99 | 90.9 | 92.5 | 93.5 | 6.5 |
| Crucial T700 Compare | 96.6 | 97.6 | 97.5 | 78.4 | 82.8 | 22 |
| Seagate FireCuda 530R ZP4000GM3A073 Compare | 92.8 | 96.8 | 78.4 | 92.5 | 95.6 | 6.9 |
Price
Value & Pricing
We started tracking prices for this product on Nov 12, 2026. The chart appears once we have more data.
Usage Scores
- Overall39.7
- Budget51.3
- Gaming27.7
- Laptop20.5
- Console18.7
- Portable66.9
- Workstation34.2
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
