New
SanDisk WD Blue SN5100
Capacity 4TB
Form Factor M.2 2280
Interface PCIe 4.0 x4
Read Speed 6,900 MB/s
NAND QLC
Endurance 1200 TBW
74 Overall Score
Price $520
Snapshot
Pros & Cons
Pros
- Strong random (93rd percentile) 93rd
- Strong capacity (93rd percentile) 93rd
- Strong speed (83rd percentile) 83rd
- 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 | SanDisk WD Blue SN5100 | Samsung 9100 PRO | Crucial T500 | Kingston FURY Renegade SFYRDK/2000G | Western Digital Black SN850X | Corsair MP700 Elite |
|---|---|---|---|---|---|---|
| Capacity | 4TB | 8TB | 2TB | 2TB | 4TB | 2TB |
| 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 4.0 x4 | PCIe 4.0 x4 | PCIe 4.0 x4 | PCIe 5.0 x4 |
| Seq Read | 6,900 MB/s | 14,800 MB/s | 7,400 MB/s | 7,300 MB/s | 7,300 MB/s | 10,000 MB/s |
| Nand Type | QLC | TLC | TLC | TLC | TLC | TLC |
| Dram Cache | - | true | true | true | true | true |
| Endurance | 1200 TBW | 4800 TBW | 1200 TBW | 2000 TBW | 2400 TBW | 1200 TBW |
| Compare | Compare | Compare | Compare | Compare |
| Product | Speed | Random | Feature | Capacity | Endurance |
|---|---|---|---|---|---|
| SanDisk WD Blue SN5100 | 82.8 | 93.2 | 14.1 | 92.9 | 75.2 |
| Samsung 9100 PRO Compare | 98.8 | 99.7 | 99.7 | 98.2 | 86 |
| Crucial T500 Compare | 93.5 | 96.2 | 98.9 | 78.5 | 83 |
| Kingston FURY Renegade SFYRDK/2000G Compare | 92.5 | 93.2 | 93.6 | 78.5 | 92.8 |
| Western Digital Black SN850X Compare | 87.8 | 94.6 | 88.6 | 92.9 | 88 |
| Corsair MP700 Elite Compare | 94.6 | 96.3 | 99.7 | 78.5 | 87.4 |
Price
Value & Pricing
From $520
Amazon 1 offer From $520
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.
