Samsung - T9 Portable 2TB vs SanDisk - Extreme PRO 2TB (Portable)

These two are nearly even on the Mars Score (52.4 vs 52.5). The decision isn't about overall quality — both clear the bar — it's about which specific trade-offs fit your use.

The T9 Portable 2TB doesn't 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) and sequential write. Its strongest claims are endurance (tbw), sequential write.

Both ship with comparable capacity, sequential read, interface, so those specs don't 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 tells you both are well-rounded; the differences are about trade-offs, not quality.