Samsung
Samsung 990 Pro 4TB
PCIe 4.0 · 7450/6900 MB/s · 4TB
86
/ 100
From $360
VS
Samsung
Samsung 990 Pro 1TB
PCIe 4.0 · 7450/6900 MB/s · 1TB
86
/ 100
From $90
Specdex verdict
Dead heat — it comes down to priorities.
In our weighted Specdex score, Samsung 990 Pro 4TB lands at 86 and Samsung 990 Pro 1TB at 86. With scores tied, the decision hinges on which sub-scores matter most to you.
Pick Samsung 990 Pro 4TB if…
- ✓M.2 NVMe
- ✓Competitive per-GB cost
- ✓TBW scales with capacity
Pick Samsung 990 Pro 1TB if…
- ✓M.2 NVMe
- ✓Competitive per-GB cost
- ✓TBW scales with capacity
Samsung 990 Pro 4TB 86
vs 86 Samsung 990 Pro 1TB
Score breakdown
Samsung 990 Pro 4TB
86 read 90
write 88
endurance 88
value 84
Samsung 990 Pro 1TB
86 read 90
write 88
endurance 88
value 84
Specs side-by-side
| Spec | Samsung 990 Pro 4TB | Samsung 990 Pro 1TB |
|---|---|---|
| Interface | PCIe 4.0 | PCIe 4.0 |
| Capacity | ▲ 4TB | 1TB |
| Read/Write | 7450/6900 MB/s | 7450/6900 MB/s |
Samsung 990 Pro 4TB
Pros
- +M.2 NVMe
- +Competitive per-GB cost
- +TBW scales with capacity
Cons
- −Thermals on Gen 5 drives
- −DRAM-less models slower under sustained load
- −Require heatsinks in many systems
Samsung 990 Pro 1TB
Pros
- +M.2 NVMe
- +Competitive per-GB cost
- +TBW scales with capacity
Cons
- −Thermals on Gen 5 drives
- −DRAM-less models slower under sustained load
- −Require heatsinks in many systems
FAQ: Samsung 990 Pro 4TB vs Samsung 990 Pro 1TB
Which is better, Samsung 990 Pro 4TB or Samsung 990 Pro 1TB? +
Both score 86 on our weighted rubric — tied. Your best pick depends on the sub-scores above.
Is Samsung 990 Pro 4TB worth the price? +
At $360, Samsung 990 Pro 4TB delivers a Specdex score of 86 — strongest in read.
Is Samsung 990 Pro 1TB worth the price? +
At $90, Samsung 990 Pro 1TB delivers a Specdex score of 86 — strongest in read.
Does Samsung 990 Pro 4TB or Samsung 990 Pro 1TB last longer? +
Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.