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External SSDs

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

Compare Seagate One Touch SSD 500GB and WD My Passport SSD 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 500GB
7.6/10

The 500GB One Touch is Seagate's entry-level portable SSD — typically the cheapest brand-name 1050-class Gen 2 drive at retail. Speeds are real-world faster than rated for short transfers; the catch is that the SLC cache is tiny.

1030 MB/s read
Cheapest brand-name Gen 2 SSD class
Both cables included
Check on Amazon →
Our Pick

Western Digital

WD My Passport SSD 4TB
8.6/10

The 4TB My Passport SSD has a niche-of-one — the only 4TB USB-C portable from WD in this form factor. A viable T7 4TB competitor on sale, but check price moves against the Samsung before committing.

4TB in slim body
1050/1000 MB/s
Hardware encryption included
Check on Amazon →

Spec Comparison

Spec
Seagate One Touch SSD 500GB
WD My Passport SSD 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
7.6/10
8.6/10 ✓
Total Wins
1 win
4 wins

Frequently Asked Questions

Which is better, Seagate One Touch SSD 500GB or WD My Passport SSD 4TB?
The WD My Passport SSD 4TB scores 8.6/10 compared to 7.6/10 for the Seagate One Touch SSD 500GB. Our expert analysis favors the WD My Passport SSD 4TB for its superior speed.
What's the difference between Seagate One Touch SSD 500GB and WD My Passport SSD 4TB?
The key differences: The Seagate One Touch SSD 500GB offers 1,030 MB/s reads vs 1,050 MB/s for the WD My Passport SSD 4TB. Capacity options differ: Seagate One Touch SSD 500GB is 500GB while WD My Passport SSD 4TB is 4TB. The Seagate One Touch SSD 500GB uses USB 3.2 Gen 2 while the WD My Passport SSD 4TB uses USB 3.2 Gen 2.
Which is faster, Seagate One Touch SSD 500GB or WD My Passport SSD 4TB?
The WD My Passport SSD 4TB is faster with 1,050 MB/s read speeds compared to 1,030 MB/s for the Seagate One Touch SSD 500GB. That's a 2% speed advantage.
Which has better value, Seagate One Touch SSD 500GB or WD My Passport SSD 4TB?
The WD My Passport SSD 4TB scores higher (8.6 vs 7.6/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

More Comparisons

Seagate One Touch SSD 500GB vs Samsung T9 2TB → WD My Passport SSD 4TB vs Samsung T9 2TB →
Seagate One Touch SSD 500GB vs Samsung T9 Portable SSD → WD My Passport SSD 4TB vs Samsung T9 Portable SSD →
Seagate One Touch SSD 500GB vs Crucial X10 Pro 2TB → WD My Passport SSD 4TB vs Crucial X10 Pro 2TB →
Seagate One Touch SSD 500GB vs Samsung T7 4TB → WD My Passport SSD 4TB vs Samsung T7 4TB →