Left · Western Digital
WD Blue 4TB
Spec score
Spec score 12
$79
typical price
WD Blue 4TB against WD Blue SN580 1TB
WD Blue SN580 1TB leads on the overall index. The price beside each button is the Amazon US reading where ScoutPrices has one; the comparison below is worked on typical prices.
Right · Western Digital
WD Blue SN580 1TB
Spec score
Spec score 64
$298
typical price
Head to head
Scores
Indices out of 100 on ScoutSpecs' own scale, one per kind of work. They are not frames per second and not a measurement of any one sample.
Spec score
WD Blue 4TB: 12
WD Blue SN580 1TB: 64
52 ptsto the right
Price and value
Worked on typical prices, the figures the comparison is built on.
Value, points per $100
WD Blue 4TB: 15.2
WD Blue SN580 1TB: 21.5
41%to the right
Typical price
WD Blue 4TB: $79
WD Blue SN580 1TB: $298
$219to the left
From the spec sheets
Capacity
WD Blue 4TB: 4000 GB
WD Blue SN580 1TB: 1000 GB
300%to the left
Sequential read
WD Blue 4TB: 180 MB/s
WD Blue SN580 1TB: 4150 MB/s
2206%to the right
Sequential write
WD Blue 4TB: 180 MB/s
WD Blue SN580 1TB: 4150 MB/s
2206%to the right
The verdict
- The WD Blue SN580 1TB scores 433% higher on the ScoutSpecs index.
- The WD Blue 4TB typically costs $219 less.
- Per dollar, the WD Blue SN580 1TB is the better buy: 21.5 points per $100 against 15.2.
Specifications
| Spec | WD Blue 4TB | WD Blue SN580 1TB |
|---|---|---|
| Interface | Hard drive | NVMe PCIe 4.0 |
| Capacity | 4 TB (better) | 1 TB |
| Sequential read | 180 MB/s | 4,150 MB/s (better) |
| Sequential write | 180 MB/s | 4,150 MB/s (better) |
| DRAM cache | No | No |
| Brand | Western Digital | Western Digital |
| Released | 2019 | 2023 (better) |
| Typical price | $79 (better) | $298 |
The better figure of each pair is in green, with a tick.