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Portable SSDs

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Seagate One Touch SSD Portable 500GB vs WD My Passport SSD Portable 4TB

Compare Seagate One Touch SSD Portable 500GB and WD My Passport SSD Portable 4TB side by side. Both are 500GB USB 3.2 Gen 2 external SSDs, but they differ in speed, design, and value. Here's how they stack up.

Seagate

Seagate One Touch SSD Portable 500GB
7.5/10

A 500GB One Touch is Seagate's bottom-of-line portable SSD — usually the cheapest brand-name Gen 2 1TB-and-below portable at retail. The bundle includes Rescue data recovery (extending Seagate's warranty protection into physical damage recovery).

1030 MB/s read
Budget pricing
Both USB-C and USB-A cables
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Our Pick

Western Digital

WD My Passport SSD Portable 4TB
8.7/10

A 4TB My Passport SSD portable — same physical package as the 1TB/2TB but with the 4TB die stack. The biggest single-portable WD ships and one of the few 4TB portable SSDs at retail, period. Compares closely with the Samsung T7 4TB.

4TB slim form factor
2400 TBW endurance
AES hardware encryption
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Spec Comparison

Spec
Seagate One Touch SSD Portable 500GB
WD My Passport SSD Portable 4TB
Read Speed
1.0 GB/s
1.1 GB/s ✓
Write Speed
1.0 GB/s ✓
1.0 GB/s
Capacity
500 GB
4 TB ✓
Interface
USB 3.2 Gen 2
USB 3.2 Gen 2
Endurance (TBW)
300 TB
2,400 TB ✓
Warranty
3 Years
3 Years
Score
7.5/10
8.7/10 ✓
Total Wins
1 win
4 wins

Frequently Asked Questions

Which is better, Seagate One Touch SSD Portable 500GB or WD My Passport SSD Portable 4TB?
The WD My Passport SSD Portable 4TB scores 8.7/10 compared to 7.5/10 for the Seagate One Touch SSD Portable 500GB. Our expert analysis favors the WD My Passport SSD Portable 4TB for its superior speed.
What's the difference between Seagate One Touch SSD Portable 500GB and WD My Passport SSD Portable 4TB?
The key differences: The Seagate One Touch SSD Portable 500GB offers 1,030 MB/s reads vs 1,050 MB/s for the WD My Passport SSD Portable 4TB. Capacity options differ: Seagate One Touch SSD Portable 500GB is 500GB while WD My Passport SSD Portable 4TB is 4TB. The Seagate One Touch SSD Portable 500GB uses USB 3.2 Gen 2 while the WD My Passport SSD Portable 4TB uses USB 3.2 Gen 2.
Which is faster, Seagate One Touch SSD Portable 500GB or WD My Passport SSD Portable 4TB?
The WD My Passport SSD Portable 4TB is faster with 1,050 MB/s read speeds compared to 1,030 MB/s for the Seagate One Touch SSD Portable 500GB. That's a 2% speed advantage.
Which has better value, Seagate One Touch SSD Portable 500GB or WD My Passport SSD Portable 4TB?
The WD My Passport SSD Portable 4TB scores higher (8.7 vs 7.5/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

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