Western Digital
WD Blue SN5000 4TB
PCIe 4.0 · 5500/5000 MB/s · 4TB
85
/ 100
From $344
VS
Seagate FireCuda 540 1TB wins by 7
Seagate
Seagate FireCuda 540 1TB
PCIe 5.0 · 10000/10000 MB/s · 1TB
92
/ 100
From $180
Specdex verdict
Seagate FireCuda 540 1TB takes it — here’s why.
In our weighted Specdex score, WD Blue SN5000 4TB lands at 85 and Seagate FireCuda 540 1TB at 92. That puts Seagate FireCuda 540 1TB ahead by 7 points — a decisive margin driven mostly by its strengths in the categories below.
Pick WD Blue SN5000 4TB if…
- ✓Plug-and-play (portable)
- ✓Competitive per-GB cost
- ✓3-5 year warranties typical
Pick Seagate FireCuda 540 1TB if…
- ✓M.2 NVMe
- ✓Competitive per-GB cost
- ✓TBW scales with capacity
WD Blue SN5000 4TB 85
vs 92 Seagate FireCuda 540 1TB
Score breakdown
WD Blue SN5000 4TB
85 read 88
write 84
endurance 84
value 88
Seagate FireCuda 540 1TB
92 read 98
write 96
endurance 88
value 84
Specs side-by-side
| Spec | WD Blue SN5000 4TB | Seagate FireCuda 540 1TB |
|---|---|---|
| Interface | PCIe 4.0 | PCIe 5.0 |
| Capacity | ▲ 4TB | 1TB |
| Read/Write | 5500/5000 MB/s | 10000/10000 MB/s |
| Release year | 2024 | — |
WD Blue SN5000 4TB
Pros
- +Plug-and-play (portable)
- +Competitive per-GB cost
- +3-5 year warranties typical
Cons
- −Portable variants are USB-only
- −SATA models capped ~550 MB/s
- −DRAM-less drives slower sustained
Seagate FireCuda 540 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 SN5000 4TB vs Seagate FireCuda 540 1TB
Which is better, WD Blue SN5000 4TB or Seagate FireCuda 540 1TB? +
Seagate FireCuda 540 1TB scores 92 on our weighted rubric — ahead by 7. Your best pick depends on the sub-scores above.
Is WD Blue SN5000 4TB worth the price? +
At $344, WD Blue SN5000 4TB delivers a Specdex score of 85 — strongest in read.
Is Seagate FireCuda 540 1TB worth the price? +
At $180, Seagate FireCuda 540 1TB delivers a Specdex score of 92 — strongest in read.
Does WD Blue SN5000 4TB or Seagate FireCuda 540 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.