Western Digital
WD Black SN850X 2TB
PCIe 4.0 · 7,300 MB/s · Game Mode 2.0
90
/ 100
From $189
VS
Corsair MP700 Pro 1TB wins by 2
Corsair
Corsair MP700 Pro 1TB
PCIe 5.0 · 14000/12000 MB/s · 1TB
92
/ 100
From $180
Specdex verdict
Corsair MP700 Pro 1TB takes it — here’s why.
In our weighted Specdex score, WD Black SN850X 2TB lands at 90 and Corsair MP700 Pro 1TB at 92. That puts Corsair MP700 Pro 1TB ahead by 2 points — a narrow margin driven mostly by its strengths in the categories below.
Pick WD Black SN850X 2TB if…
- ✓Fastest PCIe 4.0 in real-world games
- ✓Excellent endurance
- ✓Optional heatsink for PS5
Pick Corsair MP700 Pro 1TB if…
- ✓M.2 NVMe
- ✓Competitive per-GB cost
- ✓TBW scales with capacity
WD Black SN850X 2TB 90
vs 92 Corsair MP700 Pro 1TB
Score breakdown
WD Black SN850X 2TB
90 read 94
write 92
endurance 90
value 88
Corsair MP700 Pro 1TB
92 read 98
write 96
endurance 88
value 84
Specs side-by-side
| Spec | WD Black SN850X 2TB | Corsair MP700 Pro 1TB |
|---|---|---|
| Interface | PCIe 4.0 x4 NVMe | PCIe 5.0 |
| Read speed | 7,300 MB/s | — |
| Write speed | 6,600 MB/s | — |
| TBW | 1200 | — |
| Form | M.2 2280 | — |
| Capacity | — | 1TB |
| Read/Write | — | 14000/12000 MB/s |
WD Black SN850X 2TB
Pros
- +Fastest PCIe 4.0 in real-world games
- +Excellent endurance
- +Optional heatsink for PS5
Cons
- −PCIe 4.0 only
- −Runs warm without heatsink
- −Software dated
Corsair MP700 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 Black SN850X 2TB vs Corsair MP700 Pro 1TB
Which is better, WD Black SN850X 2TB or Corsair MP700 Pro 1TB? +
Corsair MP700 Pro 1TB scores 92 on our weighted rubric — ahead by 2. Your best pick depends on the sub-scores above.
Is WD Black SN850X 2TB worth the price? +
At $189, WD Black SN850X 2TB delivers a Specdex score of 90 — strongest in read.
Is Corsair MP700 Pro 1TB worth the price? +
At $180, Corsair MP700 Pro 1TB delivers a Specdex score of 92 — strongest in read.
Does WD Black SN850X 2TB or Corsair MP700 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.