Seagate - FireCuda 540 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 | Seagate - FireCuda 540 2TB | SK hynix - Platinum P51 2TB |
|---|---|---|
| Endurance (TBW) | 2000 | 1200 |
| Sequential read | 10000 MB/s | 14700 MB/s |
| Sequential write | 10000 MB/s | 13400 MB/s |
Between the FireCuda 540 2TB and Platinum P51 2TB, the FireCuda 540 2TB comes out ahead in endurance (tbw), while the Platinum P51 2TB wins on sequential read / sequential write. Overall, the FireCuda 540 2TB scores 78.3 and the Platinum P51 2TB scores 85.4 on our Mars Score.
Which should you buy?
The Platinum P51 2TB edges ahead on the Mars Score (78.3 vs 85.4), but the 7.1-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the FireCuda 540 2TB if you care most about endurance (tbw). The biggest gaps in its favor are endurance (tbw). The single most decisive one: Endurance (TBW) — 66.67% more. 2000 vs 1200.
Pick the Platinum P51 2TB if you care most about sequential read / sequential write. Its strongest claims are sequential read, sequential write. The single most decisive one: Sequential read — 47.00% more. 14700 MB/s vs 10000 MB/s.
Both ship with comparable capacity, interface, so those specs do not separate the two — focus on the differences below.
Bottom line: the Platinum P51 2TB is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Which should you buy: Seagate - FireCuda 540 2TB or SK hynix - Platinum P51 2TB?
SK hynix - Platinum P51 2TB leads the current Mars Score by 7.1 points.The more useful decision is the trade-off behind that result: compare sequential read, sequential write against the way you will actually use the product.
Choose Seagate - FireCuda 540 2TB if…
Seagate - FireCuda 540 2TB has the measurable edge on tbw.
Choose SK hynix - Platinum P51 2TB if…
SK hynix - Platinum P51 2TB has the measurable edge on read mbps, write mbps.
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 Seagate - FireCuda 540 2TB wins
- ▲Endurance (TBW) — 66.67% more. 2000 vs 1200.
Why SK hynix - Platinum P51 2TB wins
- ▲Sequential read — 47.00% more. 14700 MB/s vs 10000 MB/s.
- ▲Sequential write — 34.00% more. 13400 MB/s vs 10000 MB/s.
Spec comparison
Capacity
| Spec | Seagate - FireCuda 540 2TB | SK hynix - Platinum P51 2TB |
|---|---|---|
| Capacity | 2000 GB | 2000 GB |
Performance
| Spec | Seagate - FireCuda 540 2TB | SK hynix - Platinum P51 2TB |
|---|---|---|
| Sequential read | 10000 MB/s | 14700 MB/slead |
| Sequential write | 10000 MB/s | 13400 MB/slead |
| Interface | PCIe 5.0 x4 | PCIe 5.0 x4 |
| Form factor | M.2 2280 | M.2 2280 |
Endurance
| Spec | Seagate - FireCuda 540 2TB | SK hynix - Platinum P51 2TB |
|---|---|---|
| Endurance (TBW)ⓘ | 2000lead | 1200 |
| Warranty | 5 yrs | 5 yrs |