Between the NM800 Pro 2TB and Blue SN5000 2TB, the NM800 Pro 2TB comes out ahead in endurance (tbw) and sequential read, while the Blue SN5000 2TB wins on several specs. Overall, the NM800 Pro 2TB scores 69.6 and the Blue SN5000 2TB scores 63.8 on our Mars Score.
Which should you buy?
The NM800 Pro 2TB edges ahead on the Mars Score (69.6 vs 63.8), but the 5.8-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the NM800 Pro 2TB if you care most about endurance (tbw) and sequential read. The biggest gaps in its favor are endurance (tbw), sequential read, sequential write.
The Blue SN5000 2TB 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, so those specs don't separate the two — focus on the differences below.
Bottom line: the NM800 Pro 2TB is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Why Lexar - NM800 Pro 2TB wins
- ▲Endurance (TBW) — 66.67% more. 1500 vs 900.
- ▲Sequential read — 36.36% more. 7500 MB/s vs 5500 MB/s.
- ▲Sequential write — 30.00% more. 6500 MB/s vs 5000 MB/s.
Why WD - Blue SN5000 2TB wins
- No decisive advantages.
Spec comparison
Capacity
| Spec | Lexar - NM800 Pro 2TB | WD - Blue SN5000 2TB |
|---|---|---|
| Capacity | 2000 GB | 2000 GB |
Performance
| Spec | Lexar - NM800 Pro 2TB | WD - Blue SN5000 2TB |
|---|---|---|
| Sequential read | 7500 MB/slead | 5500 MB/s |
| Sequential write | 6500 MB/slead | 5000 MB/s |
| Interface | PCIe 4.0 x4 | PCIe 4.0 x4 |
| Form factor | M.2 2280 | M.2 2280 |
Endurance
| Spec | Lexar - NM800 Pro 2TB | WD - Blue SN5000 2TB |
|---|---|---|
| Endurance (TBW)ⓘ | 1500lead | 900 |
| Warranty | 5 yrs | 5 yrs |
Frequently asked
Spec-level deep dives
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