Western Digital My Passport 4TB Portable External Hard Drive: 2 of 8 decision facts sourced. Missing: Interface, Sequential write, Endurance (TBW), DRAM cache, Warranty, Starting MSRP.
Seagate Expansion 5TB Portable External Hard Drive: 4 of 8 decision facts sourced. Missing: Sequential read, Sequential write, Endurance (TBW), DRAM cache.
| Western Digital My Passport 4TB Portable External Hard Drive | Seagate Expansion 5TB Portable External Hard Drive | |
|---|---|---|
| Price today | Price not yet checked | Price not yet checked |
| Capacity | 4TB westerndigital.com | 5TB seagate.com |
| Interface | Not yet sourced | USB-C seagate.com |
| Sequential read | up to 5Gb/s westerndigital.com | Not yet sourced |
| Warranty | Not yet sourced | 1-year limited warranty seagate.com |
| Starting MSRP | Not yet sourced | $127.99 bestbuy.com |
Not yet sourced — Western Digital My Passport 4TB Portable External Hard Drive: Interface, Sequential write, Endurance (TBW), DRAM cache, Warranty, Starting MSRP. Seagate Expansion 5TB Portable External Hard Drive: Sequential read, Sequential write, Endurance (TBW), DRAM cache. No manufacturer, official or retailer source we read publishes these yet; we don't estimate them.
Verdict: Pick Western Digital My Passport 4TB if you need a known fast read speed and a compact drive; pick Seagate Expansion 5TB if you need the largest capacity and a guaranteed USB 3.0 connection with a 1‑year warranty; skip both if price is a primary concern and you require disclosed performance specs for both.
Western Digital My Passport 4TB Portable External Hard Drive lists at $99.99 while Seagate Expansion 5TB Portable External Hard Drive lists at $115 — Western Digital My Passport 4TB Portable External Hard Drive undercuts Seagate Expansion 5TB Portable External Hard Drive by $15.01 (15%).
Provisional pick: Western Digital My Passport 4TB — not enough sourced decision facts for Western Digital My Passport 4TB Portable External Hard Drive and Seagate Expansion 5TB Portable External Hard Drive. We don't rank on specs we can't verify.
| Western Digital My Passport 4TB Portable External Hard Drive | Seagate Expansion 5TB Portable External Hard Drive | |
|---|---|---|
| Capacity | 4TB | 5TB |
| Sequential read | up to 5Gb/s | — |
| Interface | — | USB-C |
| Warranty | — | 1-year limited warranty |
| Starting MSRP | — | $127.99 |
| External Hard Drive Type | — | Portable |
Provisional pick: Western Digital My Passport 4TB — not enough sourced decision facts for Western Digital My Passport 4TB Portable External Hard Drive and Seagate Expansion 5TB Portable External Hard Drive.
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