Western Digital
WD Black SN850X 2TB
PCIe 4.0 · 7,300 MB/s · Game Mode 2.0
90
/ 100
From $189
VS
Crucial T700 2TB wins by 2
Crucial
Crucial T700 2TB
PCIe 5.0 · 12400/11800 MB/s · 2TB
92
/ 100
From $360
Specdex verdict
Crucial T700 2TB takes it — here’s why.
In our weighted Specdex score, WD Black SN850X 2TB lands at 90 and Crucial T700 2TB at 92. That puts Crucial T700 2TB 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 Crucial T700 2TB if…
- ✓M.2 NVMe
- ✓Competitive per-GB cost
- ✓TBW scales with capacity
WD Black SN850X 2TB 90
vs 92 Crucial T700 2TB
Score breakdown
WD Black SN850X 2TB
90 read 94
write 92
endurance 90
value 88
Crucial T700 2TB
92 read 98
write 96
endurance 88
value 84
Specs side-by-side
| Spec | WD Black SN850X 2TB | Crucial T700 2TB |
|---|---|---|
| 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 | — | 2TB |
| Read/Write | — | 12400/11800 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
Crucial T700 2TB
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 Crucial T700 2TB
Which is better, WD Black SN850X 2TB or Crucial T700 2TB? +
Crucial T700 2TB 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 Crucial T700 2TB worth the price? +
At $360, Crucial T700 2TB delivers a Specdex score of 92 — strongest in read.
Does WD Black SN850X 2TB or Crucial T700 2TB 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.