Samsung - 990 PRO 2TB vs WD - Black SN850P 2TB (for PS5)
Between the 990 PRO 2TB and Black SN850P 2TB (for PS5), the 990 PRO 2TB comes out ahead in sequential write and sequential read, while the Black SN850P 2TB (for PS5) wins on several specs. Overall, the 990 PRO 2TB scores 70.1 and the Black SN850P 2TB (for PS5) scores 69.4 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (70.1 vs 69.4). The decision isn't about overall quality — both clear the bar — it's about which specific trade-offs fit your use.
Pick the 990 PRO 2TB if you care most about sequential write and sequential read. The biggest gaps in its favor are sequential write, sequential read.
The Black SN850P 2TB (for PS5) similarly doesn't carry a headline advantage on the popular specs — look at the full table for category-specific deltas.
Both ship with comparable capacity, interface, endurance (tbw), so those specs don't separate the two — focus on the differences below.
Bottom line: there is no wrong answer here — match the spec advantages to how you actually use the product. The Mars Score parity tells you both are well-rounded; the differences are about trade-offs, not quality.
Why Samsung - 990 PRO 2TB wins
- ▲Sequential write — 4.55% more. 6900 MB/s vs 6600 MB/s.
- ▲Sequential read — 2.05% more. 7450 MB/s vs 7300 MB/s.
Why WD - Black SN850P 2TB (for PS5) wins
- No decisive advantages.
Spec comparison
Capacity
| Spec | Samsung - 990 PRO 2TB | WD - Black SN850P 2TB (for PS5) |
|---|---|---|
| Capacity | 2000 GB | 2000 GB |
Performance
| Spec | Samsung - 990 PRO 2TB | WD - Black SN850P 2TB (for PS5) |
|---|---|---|
| Sequential read | 7450 MB/slead | 7300 MB/s |
| Sequential write | 6900 MB/slead | 6600 MB/s |
| Interface | PCIe 4.0 x4 | PCIe 4.0 x4 |
| Form factor | M.2 2280 | M.2 2280 |
Endurance
| Spec | Samsung - 990 PRO 2TB | WD - Black SN850P 2TB (for PS5) |
|---|---|---|
| Endurance (TBW)ⓘ | 1200 | 1200 |
| Warranty | 5 yrs | 5 yrs |
Spec-level deep dives
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