WD Black SN8100 against WD Black SN850X
WD Black SN8100 leads on the overall index. Typical prices, not live ones.
The verdict
- The WD Black SN8100 scores 6% higher on the ScoutSpecs index.
- The WD Black SN8100 typically costs $300 less.
- Per dollar, the WD Black SN8100 is the better buy: 22 points per $100 against 12.4.
Head to head
| Measure | WD Black SN8100 | WD Black SN850X | Gap |
|---|---|---|---|
| Spec score | 99 | 93 | 6 ptsleft |
| Value, points per $100 | 22 | 12.4 | 77%left |
| Typical price | $449 | $749 | $300left |
| Capacity | 4000 GB | 8000 GB | 100%right |
| Sequential read | 14900 MB/s | 7300 MB/s | 104%left |
| Sequential write | 14000 MB/s | 6600 MB/s | 112%left |
Specifications
| Spec | WD Black SN8100 | WD Black SN850X |
|---|---|---|
| Interface | NVMe PCIe 5.0 | NVMe PCIe 4.0 |
| Capacity | 4 TB | 8 TB |
| Sequential read | 14,900 MB/s | 7,300 MB/s |
| Sequential write | 14,000 MB/s | 6,600 MB/s |
| DRAM cache | Yes | Yes |
| Brand | Western Digital | Western Digital |
| Released | 2025 | 2025 |
| Typical price | $449 | $749 |