Left · Western Digital
WD Black SN850X 1TB
Spec score
Spec score 86
$248
Amazon US, Oct 24
WD Black SN850X 1TB against WD Black SN850X 2TB
WD Black SN850X 2TB 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 Black SN850X 2TB
Spec score
Spec score 88
$399
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 Black SN850X 1TB: 86
WD Black SN850X 2TB: 88
2 ptsto the right
Price and value
Worked on typical prices, the figures the comparison is built on.
Value, points per $100
WD Black SN850X 1TB: 39.1
WD Black SN850X 2TB: 22.1
77%to the left
Typical price
WD Black SN850X 1TB: $220
WD Black SN850X 2TB: $399
$179to the left
From the spec sheets
Capacity
WD Black SN850X 1TB: 1000 GB
WD Black SN850X 2TB: 2000 GB
100%to the right
Sequential read
WD Black SN850X 1TB: 7300 MB/s
WD Black SN850X 2TB: 7300 MB/s
level
Sequential write
WD Black SN850X 1TB: 6300 MB/s
WD Black SN850X 2TB: 6600 MB/s
5%to the right
The verdict
- WD Black SN850X 1TB and WD Black SN850X 2TB are level on spec score.
- The WD Black SN850X 1TB typically costs $179 less.
- Per dollar, the WD Black SN850X 1TB is the better buy: 39.1 points per $100 against 22.1.
Specifications
| Spec | WD Black SN850X 1TB | WD Black SN850X 2TB |
|---|---|---|
| Interface | NVMe PCIe 4.0 | NVMe PCIe 4.0 |
| Capacity | 1 TB | 2 TB (better) |
| Sequential read | 7,300 MB/s | 7,300 MB/s |
| Sequential write | 6,300 MB/s | 6,600 MB/s (better) |
| DRAM cache | Yes | Yes |
| Brand | Western Digital | Western Digital |
| Released | 2022 | 2022 |
| Typical price | $220 (better) | $399 |
The better figure of each pair is in green, with a tick.