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WD Blue SN580 4TB — PCIe 4.0 · 4150/4150 MB/s · 4TB
Western Digital

WD Blue SN580 4TB

PCIe 4.0 · 4150/4150 MB/s · 4TB

86
/ 100
From $360
VS
Samsung 990 EVO Plus 1TB — PCIe 4.0/5.0 · 7250/6300 MB/s · 1TB
Samsung

Samsung 990 EVO Plus 1TB

PCIe 4.0/5.0 · 7250/6300 MB/s · 1TB

86
/ 100
From $90
Specdex verdict

Dead heat — it comes down to priorities.

In our weighted Specdex score, WD Blue SN580 4TB lands at 86 and Samsung 990 EVO Plus 1TB at 86. With scores tied, the decision hinges on which sub-scores matter most to you.

Pick WD Blue SN580 4TB if…

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

Pick Samsung 990 EVO Plus 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

Samsung 990 EVO Plus 1TB

Specdex score per dollar at MSRP

Samsung 990 EVO Plus 1TB more score per dollar ($90 vs $360).

WD Blue SN580 4TB 86
vs
86 Samsung 990 EVO Plus 1TB

Score breakdown

WD Blue SN580 4TB
86
read 90
write 88
endurance 88
value 84
Samsung 990 EVO Plus 1TB
86
read 90
write 88
endurance 88
value 84

Specs side-by-side

WD Blue SN580 4TB versus Samsung 990 EVO Plus 1TB — full spec comparison
Spec WD Blue SN580 4TB Samsung 990 EVO Plus 1TB
Interface
PCIe 4.0
PCIe 4.0/5.0
Capacity
▲ 4TB
1TB
Read/Write
4150/4150 MB/s
7250/6300 MB/s

WD Blue SN580 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 EVO Plus 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 4TB vs Samsung 990 EVO Plus 1TB

Which is better, WD Blue SN580 4TB or Samsung 990 EVO Plus 1TB? +

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

Is WD Blue SN580 4TB worth the price? +

At $360, WD Blue SN580 4TB delivers a Specdex score of 86 — strongest in read.

Is Samsung 990 EVO Plus 1TB worth the price? +

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

Does WD Blue SN580 4TB or Samsung 990 EVO Plus 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.

Which is the better value, WD Blue SN580 4TB or Samsung 990 EVO Plus 1TB? +

Samsung 990 EVO Plus 1TB — more score per dollar ($90 vs $360). Specdex score per dollar at MSRP.