Western Digital
WD Blue SN580 1TB
PCIe 4.0 · 4150/4150 MB/s · 1TB
86
/ 100
From $90
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, WD Blue SN580 1TB 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 WD Blue SN580 1TB 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
WD Blue SN580 1TB 86
vs 86 Samsung 990 Pro 1TB
Score breakdown
WD Blue SN580 1TB
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 | WD Blue SN580 1TB | Samsung 990 Pro 1TB |
|---|---|---|
| Interface | PCIe 4.0 | PCIe 4.0 |
| Capacity | 1TB | 1TB |
| Read/Write | 4150/4150 MB/s | 7450/6900 MB/s |
WD Blue SN580 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
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: WD Blue SN580 1TB vs Samsung 990 Pro 1TB
Which is better, WD Blue SN580 1TB or Samsung 990 Pro 1TB? +
Both score 86 on our weighted rubric — tied. Your best pick depends on the sub-scores above.
Is WD Blue SN580 1TB worth the price? +
At $90, WD Blue SN580 1TB 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 WD Blue SN580 1TB 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.