Left · Samsung
Samsung 9100 Pro 8TB
Spec score
Spec score 100
$2,341
Amazon US, Oct 24
Samsung 9100 Pro 8TB against Samsung 990 Pro 4TB
Samsung 9100 Pro 8TB 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 · Samsung
Samsung 990 Pro 4TB
Spec score
Spec score 91
$800
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
Samsung 990 Pro 4TB: 91
9 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
Samsung 990 Pro 4TB: 9.3
133%to the right
Typical price
Samsung 9100 Pro 8TB: $2,495
Samsung 990 Pro 4TB: $980
$1,515to the right
From the spec sheets
Capacity
Samsung 9100 Pro 8TB: 8000 GB
Samsung 990 Pro 4TB: 4000 GB
100%to the left
Sequential read
Samsung 9100 Pro 8TB: 14800 MB/s
Samsung 990 Pro 4TB: 7450 MB/s
99%to the left
Sequential write
Samsung 9100 Pro 8TB: 13400 MB/s
Samsung 990 Pro 4TB: 6900 MB/s
94%to the left
The verdict
- The Samsung 9100 Pro 8TB scores 10% higher on the ScoutSpecs index.
- The Samsung 990 Pro 4TB typically costs $1,515 less.
- Per dollar, the Samsung 990 Pro 4TB is the better buy: 9.3 points per $100 against 4.
Specifications
| Spec | Samsung 9100 Pro 8TB | Samsung 990 Pro 4TB |
|---|---|---|
| Interface | NVMe PCIe 5.0 | NVMe PCIe 4.0 |
| Capacity | 8 TB (better) | 4 TB |
| Sequential read | 14,800 MB/s (better) | 7,450 MB/s |
| Sequential write | 13,400 MB/s (better) | 6,900 MB/s |
| DRAM cache | Yes | Yes |
| Brand | Samsung | Samsung |
| Released | 2025 (better) | 2023 |
| Typical price | $2,495 | $980 (better) |
The better figure of each pair is in green, with a tick.