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Spec drill · Endurance (TBW)

Rocket 5 2TB vs Extreme PRO 2TB (Portable)

A side-by-side readout for endurance (tbw).

Sabrent · Rocket 5 2TB
1200
SanDisk · Extreme PRO 2TB (Portable)
2000
▲ Lead
VerdictExtreme PRO 2TB (Portable) wins on endurance (tbw).
Context

Understanding endurance (tbw)

Endurance (TBW) is a numeric spec measured in raw units. On this metric, higher values are generally better, but returns diminish past category-typical thresholds — going from a low value to a mid value usually matters far more than going from a mid value to a high one. When comparing two products, focus on the percentage gap rather than the raw delta: a 200-unit lead means something very different at the low end of the range than at the high end. Pay attention to the unit, too — manufacturers sometimes quote peak or burst figures that are not sustained in real-world use. Cross-check the published number against independent measurements where possible, especially for performance and battery claims. Finally, remember that a single spec rarely tells the whole story; the Mars Score weighs endurance (tbw) together with the rest of the spec sheet so one outlier doesn't distort the verdict.

This matchupExtreme PRO 2TB (Portable)'s 2000 is roughly 67% higher than Rocket 5 2TB's 1200 (a 800 gap). Whether that gap is noticeable depends on workload — small percentage gaps rarely change day-to-day experience, while gaps of 20% or more usually do.

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Other specs on this comparison

See the full SSDs category for all products ranked by Mars Score.