Samsung
Samsung 990 Pro 2TB
PCIe 4.0 · 7,450/6,900 MB/s
92
/ 100
From $199
VS
Samsung 990 Pro 2TB wins by 2
Western Digital
WD Black SN850X 2TB
PCIe 4.0 · 7,300 MB/s · Game Mode 2.0
90
/ 100
From $189
Specdex verdict
Samsung 990 Pro 2TB takes it — here’s why.
In our weighted Specdex score, Samsung 990 Pro 2TB lands at 92 and WD Black SN850X 2TB at 90. That puts Samsung 990 Pro 2TB ahead by 2 points — a narrow margin driven mostly by its strengths in the categories below.
Pick Samsung 990 Pro 2TB if…
- ✓Best-in-class sustained speeds
- ✓1200 TBW endurance
- ✓Magician toolkit
Pick WD Black SN850X 2TB if…
- ✓Fastest PCIe 4.0 in real-world games
- ✓Excellent endurance
- ✓Optional heatsink for PS5
Score breakdown
Samsung 990 Pro 2TB
92 read 96
write 94
endurance 92
value 86
WD Black SN850X 2TB
90 read 94
write 92
endurance 90
value 88
Specs side-by-side
Spec
Samsung 990 Pro 2TB
WD Black SN850X 2TB
Interface
PCIe 4.0 x4 NVMe
PCIe 4.0 x4 NVMe
Read speed
7,450 MB/s
7,300 MB/s
Write speed
6,900 MB/s
6,600 MB/s
TBW
1200
1200
Form
M.2 2280
M.2 2280
Samsung 990 Pro 2TB
Pros
- +Best-in-class sustained speeds
- +1200 TBW endurance
- +Magician toolkit
Cons
- −Only PCIe 4.0
- −No included heatsink
- −Premium price
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
FAQ: Samsung 990 Pro 2TB vs WD Black SN850X 2TB
Which is better, Samsung 990 Pro 2TB or WD Black SN850X 2TB? +
Samsung 990 Pro 2TB scores 92 on our weighted rubric — ahead by 2. Your best pick depends on the sub-scores above.
Is Samsung 990 Pro 2TB worth the price? +
At $199, Samsung 990 Pro 2TB delivers a Specdex score of 92 — strongest in read.
Is WD Black SN850X 2TB worth the price? +
At $189, WD Black SN850X 2TB delivers a Specdex score of 90 — strongest in read.
Does Samsung 990 Pro 2TB or WD Black SN850X 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.