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Samsung 990 Pro 1TB — PCIe 4.0 · 7450/6900 MB/s · 1TB
Samsung

Samsung 990 Pro 1TB

PCIe 4.0 · 7450/6900 MB/s · 1TB

86
/ 100
From $90
VS
WD Blue SN580 1TB — PCIe 4.0 · 4150/4150 MB/s · 1TB
Western Digital

WD Blue SN580 1TB

PCIe 4.0 · 4150/4150 MB/s · 1TB

86
/ 100
From $90
Specdex verdict

Dead heat — it comes down to priorities.

In our weighted Specdex score, Samsung 990 Pro 1TB lands at 86 and WD Blue SN580 1TB at 86. With scores tied, the decision hinges on which sub-scores matter most to you.

Pick Samsung 990 Pro 1TB if…

  • ✓M.2 NVMe
  • ✓Competitive per-GB cost
  • ✓TBW scales with capacity

Pick WD Blue SN580 1TB if…

  • ✓M.2 NVMe
  • ✓Competitive per-GB cost
  • ✓TBW scales with capacity
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Winner by scenario

Derived from the sub-score breakdown · not a separate test

Endurance & reliability

Tie

Write endurance and long-term dependability

Effectively tied — neither pulls a 2-point weighted lead.

Value for money

Tie

Specdex score per dollar at MSRP

Effectively tied — similar score-per-dollar at MSRP.

Samsung 990 Pro 1TB 86
vs
86 WD Blue SN580 1TB

Score breakdown

Samsung 990 Pro 1TB
86
read 90
write 88
endurance 88
value 84
WD Blue SN580 1TB
86
read 90
write 88
endurance 88
value 84

Specs side-by-side

Samsung 990 Pro 1TB versus WD Blue SN580 1TB — full spec comparison
Spec Samsung 990 Pro 1TB WD Blue SN580 1TB
Interface
PCIe 4.0
PCIe 4.0
Capacity
1TB
1TB
Read/Write
7450/6900 MB/s
4150/4150 MB/s

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

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

FAQ: Samsung 990 Pro 1TB vs WD Blue SN580 1TB

Which is better, Samsung 990 Pro 1TB or WD Blue SN580 1TB? +

Both score 86 on our weighted rubric — tied. Your best pick depends on the sub-scores above.

Is Samsung 990 Pro 1TB worth the price? +

At $90, Samsung 990 Pro 1TB delivers a Specdex score of 86 — strongest in read.

Is WD Blue SN580 1TB worth the price? +

At $90, WD Blue SN580 1TB delivers a Specdex score of 86 — strongest in read.

Does Samsung 990 Pro 1TB or WD Blue SN580 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.