WD - Black SN850P 2TB (for PS5) vs WD - Black SN850X 2TB

These two are evenly matched on the broad strokes; the decision sits on which individual spec advantages weigh more for your use.

The Black SN850P 2TB (for PS5) does not pull ahead on any single popular-comparison spec — its strengths sit in the spec-table groups rather than the headline advantages.

The Black SN850X 2TB similarly does not carry a headline advantage on the popular specs — look at the full table for category-specific deltas.

Both ship with comparable capacity, sequential read, sequential write, 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.