WD Black SN850X against WD Blue SN580
WD Black SN850X leads on the overall index. Typical prices, not live ones.
The verdict
- The WD Black SN850X scores 34% higher on the ScoutSpecs index.
- The WD Blue SN580 typically costs $30 less.
- Per dollar, the WD Blue SN580 is the better buy: 108.5 points per $100 against 96.6.
Head to head
| Measure | WD Black SN850X | WD Blue SN580 | Gap |
|---|---|---|---|
| Spec score | 86 | 64 | 22 ptsleft |
| Value, points per $100 | 96.6 | 108.5 | 12%right |
| Typical price | $89 | $59 | $30right |
| Capacity | 1000 GB | 1000 GB | level |
| Sequential read | 7300 MB/s | 4150 MB/s | 76%left |
| Sequential write | 6300 MB/s | 4150 MB/s | 52%left |
Specifications
| Spec | WD Black SN850X | WD Blue SN580 |
|---|---|---|
| Interface | NVMe PCIe 4.0 | NVMe PCIe 4.0 |
| Capacity | 1 TB | 1 TB |
| Sequential read | 7,300 MB/s | 4,150 MB/s |
| Sequential write | 6,300 MB/s | 4,150 MB/s |
| DRAM cache | Yes | No |
| Brand | Western Digital | Western Digital |
| Released | 2022 | 2023 |
| Typical price | $89 | $59 |