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External SSDs

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LaCie Rugged SSD Pro 4TB vs WD My Passport SSD 4TB

Compare LaCie Rugged SSD Pro 4TB and WD My Passport SSD 4TB side by side. Both are 4TB Thunderbolt 3 external SSDs, but they differ in speed, design, and value. Here's how they stack up.

Our Pick

LaCie

LaCie Rugged SSD Pro 4TB
9.2/10

A 4TBThunderbolt 3 portable — uniquely huge for this speed tier. The Rugged SSD Pro 4TB fills a slot nothing else really does: 4TB of fast external storage that's actually rugged, not just claimed to be.

Thunderbolt 3 + 4TB
IP67 + 3m drop + 1-ton crush
5-year Rescue
Check on Amazon →

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
LaCie Rugged SSD Pro 4TB
WD My Passport SSD 4TB
Read Speed
2.7 GB/s ✓
1.1 GB/s
Write Speed
1.9 GB/s ✓
1.0 GB/s
Capacity
4 TB
4 TB
Interface
Thunderbolt 3
USB 3.2 Gen 2
Endurance (TBW)
2,400 TB
2,400 TB
Warranty
5 Years ✓
3 Years
Score
9.2/10 ✓
8.6/10
Total Wins
4 wins
0 wins

Frequently Asked Questions

Which is better, LaCie Rugged SSD Pro 4TB or WD My Passport SSD 4TB?
The LaCie Rugged SSD Pro 4TB scores 9.2/10 compared to 8.6/10 for the WD My Passport SSD 4TB. Our expert analysis favors the LaCie Rugged SSD Pro 4TB for its superior speed.
What's the difference between LaCie Rugged SSD Pro 4TB and WD My Passport SSD 4TB?
The key differences: The LaCie Rugged SSD Pro 4TB offers 2,700 MB/s reads vs 1,050 MB/s for the WD My Passport SSD 4TB. Capacity options differ: LaCie Rugged SSD Pro 4TB is 4TB while WD My Passport SSD 4TB is 4TB. The LaCie Rugged SSD Pro 4TB uses Thunderbolt 3 while the WD My Passport SSD 4TB uses USB 3.2 Gen 2.
Which is faster, LaCie Rugged SSD Pro 4TB or WD My Passport SSD 4TB?
The LaCie Rugged SSD Pro 4TB is faster with 2,700 MB/s read speeds compared to 1,050 MB/s for the WD My Passport SSD 4TB. That's a 157% speed advantage.
Which has better value, LaCie Rugged SSD Pro 4TB or WD My Passport SSD 4TB?
The LaCie Rugged SSD Pro 4TB scores higher (9.2 vs 8.6/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

More Comparisons

LaCie Rugged SSD Pro 4TB vs Samsung T9 2TB → WD My Passport SSD 4TB vs Samsung T9 2TB →
LaCie Rugged SSD Pro 4TB vs Samsung T9 Portable SSD → WD My Passport SSD 4TB vs Samsung T9 Portable SSD →
LaCie Rugged SSD Pro 4TB vs Crucial X10 Pro 2TB → WD My Passport SSD 4TB vs Crucial X10 Pro 2TB →
LaCie Rugged SSD Pro 4TB vs Samsung T7 4TB → WD My Passport SSD 4TB vs Samsung T7 4TB →