Western Digital WD My Book 4TB vs Western Digital WD My Passport 4TB
At least one of these has no price the site currently tracks, so what follows weighs specifications alone.
| Specification | Western DigitalWD My Book 4TB | Western DigitalWD My Passport 4TB |
|---|---|---|
| Capacity (GB) | 4000 | 4000 |
| Current best price | 303,87 €at Amazon.fr · captured 2026-09-13 | — |
| Price per TB | 75,97 € | — |
| Form factor | 3.5-inch | 2.5-inch |
| Warranty (years) | 3 | 3 |
How these two compare
Form factor
Western Digital WD My Book 4TB is 3.5-inch and Western Digital WD My Passport 4TB is 2.5-inch. A 3.5" drive fits a desktop bay; a 2.5" drive fits a laptop or a compact enclosure — the two are not a physical swap for each other.
Warranty
Western Digital WD My Book 4TB is warranted for 3 years, Western Digital WD My Passport 4TB for 3. The cover is the maker's own commitment; a longer one usually signals a drive built for heavier duty, though it is the mechanism, not the paperwork, that has to last.
Which to buy
The site holds no current price for at least one of these, so it cannot call the buy on cost. Judge them on the specifications above — at the same capacity and interface, two mechanical drives usually part on things like spindle speed, cache and warranty, so weigh whichever the sections above report.
Common questions about this pair
- Which is faster, Western Digital WD My Book 4TB or Western Digital WD My Passport 4TB?
- Both quote 0 MB/s read — Western Digital WD My Book 4TB at 0 MB/s write, Western Digital WD My Passport 4TB at 0 MB/s — so throughput does not separate them on the number vendors print. Sequential rate on a spinning disk comes down to platter speed and density, and reading and writing land close together.
- Should you buy Western Digital WD My Book 4TB or Western Digital WD My Passport 4TB?
- The site holds no current price for at least one of these, so it cannot call the buy on cost. Judge them on the specifications above — at the same capacity and interface, two mechanical drives usually part on things like spindle speed, cache and warranty, so weigh whichever the sections above report.