Crucial - MX500 1TB 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 | Crucial - MX500 1TB | SanDisk - Extreme PRO 2TB (Portable) |
|---|---|---|
| Endurance (TBW) | 360 | 2000 |
| Sequential write | 510 MB/s | 2000 MB/s |
| Sequential read | 560 MB/s | 2000 MB/s |
| Capacity | 1000 GB | 2000 GB |
| Interface | SATA III | USB 3.2 Gen 2x2 |
Between the MX500 1TB and Extreme PRO 2TB (Portable), the MX500 1TB comes out ahead in several specs, while the Extreme PRO 2TB (Portable) wins on endurance (tbw) / sequential write. Overall, the MX500 1TB scores 43.5 and the Extreme PRO 2TB (Portable) scores 64.2 on our Mars Score.
Which should you buy?
The Extreme PRO 2TB (Portable) is the clear pick on raw spec strength, leading by 20.7 points on the Mars Score. The margin is wide enough that the underdog only makes sense if its individual strengths line up with what you specifically need.
The MX500 1TB 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, sequential read, among others. The single most decisive one: Endurance (TBW) — 455.56% more. 2000 vs 360.
There are no meaningful ties on the headline specs — every popular-comparison metric has a winner.
Bottom line: the Extreme PRO 2TB (Portable) 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: Crucial - MX500 1TB or SanDisk - Extreme PRO 2TB (Portable)?
SanDisk - Extreme PRO 2TB (Portable) leads the current Mars Score by 20.7 points.The more useful decision is the trade-off behind that result: compare capacity, sequential read, sequential write, interface against the way you will actually use the product.
Choose Crucial - MX500 1TB if…
Crucial - MX500 1TB 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, read 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 Crucial - MX500 1TB wins
- No decisive advantages.
Why SanDisk - Extreme PRO 2TB (Portable) wins
- ▲Endurance (TBW) — 455.56% more. 2000 vs 360.
- ▲Sequential write — 292.16% more. 2000 MB/s vs 510 MB/s.
- ▲Sequential read — 257.14% more. 2000 MB/s vs 560 MB/s.
- ▲Capacity — 100.00% more. 2000 GB vs 1000 GB.
- ▲Interface: USB 3.2 Gen 2x2 (vs SATA III).
Spec comparison
Capacity
| Spec | Crucial - MX500 1TB | SanDisk - Extreme PRO 2TB (Portable) |
|---|---|---|
| Capacity | 1000 GB | 2000 GBlead |
Performance
| Spec | Crucial - MX500 1TB | SanDisk - Extreme PRO 2TB (Portable) |
|---|---|---|
| Sequential read | 560 MB/s | 2000 MB/slead |
| Sequential write | 510 MB/s | 2000 MB/slead |
| Interface | SATA III | USB 3.2 Gen 2x2lead |
| Form factor | 2.5" SATA | Portable USBlead |
Endurance
| Spec | Crucial - MX500 1TB | SanDisk - Extreme PRO 2TB (Portable) |
|---|---|---|
| Endurance (TBW)ⓘ | 360 | 2000lead |
| Warranty | 5 yrs | 5 yrs |