Samsung - T9 Portable 2TB vs SanDisk - Extreme PRO 2TB (Portable)
Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Samsung - T9 Portable 2TB | SanDisk - Extreme PRO 2TB (Portable) |
|---|---|---|
| Endurance (TBW) | 1200 | 2000 |
| Sequential write | 1950 MB/s | 2000 MB/s |
Between the T9 Portable 2TB and Extreme PRO 2TB (Portable), the T9 Portable 2TB comes out ahead in several specs, while the Extreme PRO 2TB (Portable) wins on endurance (tbw) / sequential write. Overall, the T9 Portable 2TB scores 64.1 and the Extreme PRO 2TB (Portable) scores 64.2 on our Mars Score.
Which should you buy?
These two are nearly even on the Mars Score (64.1 vs 64.2). The decision is not about overall quality — both clear the bar — it is about which specific trade-offs fit your use.
The T9 Portable 2TB does not pull ahead on any single popular-comparison spec — its strengths sit in the spec-table groups rather than the headline advantages.
Pick the Extreme PRO 2TB (Portable) if you care most about endurance (tbw) / sequential write. Its strongest claims are endurance (tbw), sequential write. The single most decisive one: Endurance (TBW) — 66.67% more. 2000 vs 1200.
Both ship with comparable capacity, sequential read, 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 - T9 Portable 2TB or SanDisk - Extreme PRO 2TB (Portable)?
SanDisk - Extreme PRO 2TB (Portable) leads the current Mars Score by 0.1 points.The more useful decision is the trade-off behind that result: compare sequential write against the way you will actually use the product.
Choose Samsung - T9 Portable 2TB if…
Samsung - T9 Portable 2TB does not lead a decisive measured field here, so choose it for price, ecosystem, design, or availability when those matter more to you.
Choose SanDisk - Extreme PRO 2TB (Portable) if…
SanDisk - Extreme PRO 2TB (Portable) has the measurable edge on tbw, 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 Samsung - T9 Portable 2TB wins
- No decisive advantages.
Why SanDisk - Extreme PRO 2TB (Portable) wins
- ▲Endurance (TBW) — 66.67% more. 2000 vs 1200.
- ▲Sequential write — 2.56% more. 2000 MB/s vs 1950 MB/s.
Spec comparison
Capacity
| Spec | Samsung - T9 Portable 2TB | SanDisk - Extreme PRO 2TB (Portable) |
|---|---|---|
| Capacity | 2000 GB | 2000 GB |
Performance
| Spec | Samsung - T9 Portable 2TB | SanDisk - Extreme PRO 2TB (Portable) |
|---|---|---|
| Sequential read | 2000 MB/s | 2000 MB/s |
| Sequential write | 1950 MB/s | 2000 MB/slead |
| Interface | USB 3.2 Gen 2x2 | USB 3.2 Gen 2x2 |
| Form factor | Portable USB | Portable USB |
Endurance
| Spec | Samsung - T9 Portable 2TB | SanDisk - Extreme PRO 2TB (Portable) |
|---|---|---|
| Endurance (TBW)ⓘ | 1200 | 2000lead |
| Warranty | 5 yrs | 5 yrs |