New
Western Digital WD Blue SN5100 4TB PCIe 4.0 x4 NVMe M.2 2280
Capacity 4TB
Form Factor M.2 2280
Interface PCIe 4.0 x4
Read Speed 6,900 MB/s
NAND QLC
Endurance 1200 TBW
79 Overall Score
No current retailer price
Snapshot
Pros & Cons
Pros
- Strong random (94th percentile) 94th
- Strong capacity (93rd percentile) 93rd
- Strong speed (84th percentile) 84th
- Strong endurance (75th percentile) 75th
Cons
- Below average feature (14th percentile)
The proof
Performance
Specifications
Full Specifications
Drive
| Capacity | 4000 |
| Form Factor | M.2 2280 |
| Interface | PCIe 4.0 x4 |
| Protocol | NVMe |
| PCIe Generation | 4 |
| External | No |
Performance
| Sequential Read (MB/s) | 6900 |
| Sequential Write (MB/s) | 6700 |
| Random Read (IOPS) | 900000 |
| Random Write (IOPS) | 1100000 |
Hardware
| NAND | QLC |
Reliability
| Endurance (TBW) | 1200 |
| MTBF (hours) | 1750000 |
| Warranty (years) | 5 |
vs Competition
| Spec | Western Digital WD Blue SN5100 | Samsung 9100 PRO | Kingston FURY Renegade G5 SFYR2S/4T0 | SanDisk WD_BLACK SN8100 | Lexar NM1090 PRO | Crucial T705 |
|---|---|---|---|---|---|---|
| Capacity | 4TB | 8TB | 4TB | 8TB | 4TB | 1TB |
| Form Factor | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 | M.2 2280 |
| Interface | PCIe 4.0 x4 | PCIe 5.0 x4 | PCIe 5.0 x4 | PCIe 5.0 x4 | PCIe 5.0 x4 | PCIe 5.0 x4 |
| Seq Read | 6,900 MB/s | 14,800 MB/s | 14,800 MB/s | 14,900 MB/s | 14,000 MB/s | 13,600 MB/s |
| Nand Type | QLC | TLC | TLC | TLC | SLC | TLC |
| Dram Cache | - | true | true | true | true | true |
| Endurance | 1200 TBW | 4800 TBW | 4000 TBW | 4800 TBW | 2800 TBW | 600 TBW |
| Compare | Compare | Compare | Compare | Compare |
| Product | Speed | Random | Feature | Capacity | Endurance |
|---|---|---|---|---|---|
| Western Digital WD Blue SN5100 | 84 | 94 | 14.3 | 92.5 | 75.1 |
| Samsung 9100 PRO Compare | 99.1 | 99.8 | 99.7 | 98.1 | 85.8 |
| Kingston FURY Renegade G5 SFYR2S/4T0 Compare | 99.4 | 98.7 | 90.4 | 92.5 | 93.4 |
| SanDisk WD_BLACK SN8100 Compare | 98.9 | 99.1 | 97.3 | 98.1 | 80.6 |
| Lexar NM1090 PRO Compare | 97.9 | 98.1 | 97.3 | 92.5 | 74.7 |
| Crucial T705 Compare | 96.6 | 97.6 | 99.7 | 54.9 | 82.7 |
Price
Value & Pricing
We started tracking prices for this product on Nov 8, 2026. The chart appears once we have more data.
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
