Left · Samsung
Samsung 9100 Pro 8TB
Spec score
Spec score 100
$2,341
Amazon US, Oct 24
Samsung 9100 Pro 8TB against WD Black SN8100 4TB
Level on the overall index; the details below decide it. 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 SN8100 4TB
Spec score
Spec score 99
$860
Amazon US, Oct 24
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
Samsung 9100 Pro 8TB: 100
WD Black SN8100 4TB: 99
1 ptsto the left
Price and value
Worked on typical prices, the figures the comparison is built on.
Value, points per $100
Samsung 9100 Pro 8TB: 4
WD Black SN8100 4TB: 15
275%to the right
Typical price
Samsung 9100 Pro 8TB: $2,495
WD Black SN8100 4TB: $660
$1,835to the right
From the spec sheets
Capacity
Samsung 9100 Pro 8TB: 8000 GB
WD Black SN8100 4TB: 4000 GB
100%to the left
Sequential read
Samsung 9100 Pro 8TB: 14800 MB/s
WD Black SN8100 4TB: 14900 MB/s
1%to the right
Sequential write
Samsung 9100 Pro 8TB: 13400 MB/s
WD Black SN8100 4TB: 14000 MB/s
4%to the right
The verdict
- Samsung 9100 Pro 8TB and WD Black SN8100 4TB are level on spec score.
- The WD Black SN8100 4TB typically costs $1,835 less.
- Per dollar, the WD Black SN8100 4TB is the better buy: 15 points per $100 against 4.
Specifications
| Spec | Samsung 9100 Pro 8TB | WD Black SN8100 4TB |
|---|---|---|
| Interface | NVMe PCIe 5.0 | NVMe PCIe 5.0 |
| Capacity | 8 TB (better) | 4 TB |
| Sequential read | 14,800 MB/s | 14,900 MB/s (better) |
| Sequential write | 13,400 MB/s | 14,000 MB/s (better) |
| DRAM cache | Yes | Yes |
| Brand | Samsung | Western Digital |
| Released | 2025 | 2025 |
| Typical price | $2,495 | $660 (better) |
The better figure of each pair is in green, with a tick.