Western Digital
WD Black SN850X 4TB · bare
PCIe 4.0 · 7300/6600 MB/s · 4TB
86
/ 100
From $360
VS
Crucial T705 2TB wins by 7
Crucial
Crucial T705 2TB
PCIe 5.0 · 14,500/12,700 MB/s
93
/ 100
From $349
Specdex verdict
Crucial T705 2TB takes it — here’s why.
In our weighted Specdex score, WD Black SN850X 4TB · bare lands at 86 and Crucial T705 2TB at 93. That puts Crucial T705 2TB ahead by 7 points — a decisive margin driven mostly by its strengths in the categories below.
Pick WD Black SN850X 4TB · bare if…
- ✓M.2 NVMe
- ✓Competitive per-GB cost
- ✓TBW scales with capacity
Pick Crucial T705 2TB if…
- ✓Fastest consumer NVMe
- ✓Great thermal design (heatsink version)
- ✓1200 TBW
Score breakdown
WD Black SN850X 4TB · bare
86 read 90
write 88
endurance 88
value 84
Crucial T705 2TB
93 read 99
write 97
endurance 92
value 82
Specs side-by-side
Spec
WD Black SN850X 4TB · bare
Crucial T705 2TB
Interface
PCIe 4.0
PCIe 5.0 x4 NVMe
Capacity
4TB
—
Read/Write
7300/6600 MB/s
—
Read speed
—
14,500 MB/s
Write speed
—
12,700 MB/s
TBW
—
1200
WD Black SN850X 4TB · bare
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
Crucial T705 2TB
Pros
- +Fastest consumer NVMe
- +Great thermal design (heatsink version)
- +1200 TBW
Cons
- −Needs PCIe 5.0 slot
- −Expensive
- −Runs hot without sink
FAQ: WD Black SN850X 4TB · bare vs Crucial T705 2TB
Which is better, WD Black SN850X 4TB · bare or Crucial T705 2TB? +
Crucial T705 2TB scores 93 on our weighted rubric — ahead by 7. Your best pick depends on the sub-scores above.
Is WD Black SN850X 4TB · bare worth the price? +
At $360, WD Black SN850X 4TB · bare delivers a Specdex score of 86 — strongest in read.
Is Crucial T705 2TB worth the price? +
At $349, Crucial T705 2TB delivers a Specdex score of 93 — strongest in read.
Does WD Black SN850X 4TB · bare or Crucial T705 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.