Samsung - 9100 PRO 2TB vs SK hynix - Platinum P51 2TB
Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Samsung - 9100 PRO 2TB | SK hynix - Platinum P51 2TB |
|---|---|---|
| Sequential read | 14800 MB/s | 14700 MB/s |
Between the 9100 PRO 2TB and Platinum P51 2TB, the 9100 PRO 2TB comes out ahead in sequential read, while the Platinum P51 2TB wins on several specs. Overall, the 9100 PRO 2TB scores 85.4 and the Platinum P51 2TB scores 85.4 on our Mars Score.
Which should you buy?
These two are evenly matched on the broad strokes; the decision sits on which individual spec advantages weigh more for your use.
Pick the 9100 PRO 2TB if you care most about sequential read. The biggest gaps in its favor are sequential read. The single most decisive one: Sequential read — 0.68% more. 14800 MB/s vs 14700 MB/s.
The Platinum P51 2TB similarly does not carry a headline advantage on the popular specs — look at the full table for category-specific deltas.
Both ship with comparable capacity, sequential write, interface, so those specs do not 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 says both are well-rounded; the differences are about trade-offs, not quality.
Which should you buy: Samsung - 9100 PRO 2TB or SK hynix - Platinum P51 2TB?
The two products are effectively tied on the current Mars Score.The more useful decision is the trade-off behind that result: compare sequential read against the way you will actually use the product.
Choose Samsung - 9100 PRO 2TB if…
Samsung - 9100 PRO 2TB has the measurable edge on read mbps.
Choose SK hynix - Platinum P51 2TB if…
SK hynix - Platinum P51 2TB does not lead a decisive measured field here, so choose it for price, ecosystem, design, or availability when those matter more to you.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why Samsung - 9100 PRO 2TB wins
- ▲Sequential read — 0.68% more. 14800 MB/s vs 14700 MB/s.
Why SK hynix - Platinum P51 2TB wins
- No decisive advantages.
Spec comparison
Capacity
| Spec | Samsung - 9100 PRO 2TB | SK hynix - Platinum P51 2TB |
|---|---|---|
| Capacity | 2000 GB | 2000 GB |
Performance
| Spec | Samsung - 9100 PRO 2TB | SK hynix - Platinum P51 2TB |
|---|---|---|
| Sequential read | 14800 MB/slead | 14700 MB/s |
| Sequential write | 13400 MB/s | 13400 MB/s |
| Interface | PCIe 5.0 x4 | PCIe 5.0 x4 |
| Form factor | M.2 2280 | M.2 2280 |
Endurance
| Spec | Samsung - 9100 PRO 2TB | SK hynix - Platinum P51 2TB |
|---|---|---|
| Endurance (TBW)ⓘ | 1200 | 1200 |
| Warranty | 5 yrs | 5 yrs |