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External SSDs

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LaCie Rugged SSD Pro 4TB vs Samsung T9 Portable 4TB

Compare LaCie Rugged SSD Pro 4TB and Samsung T9 Portable 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.

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
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Our Pick

Samsung

Samsung T9 Portable 4TB
9.3/10

Blazing-fast 4TB external SSD with USB 3.2 Gen 2x2 speeds up to 2000MB/s. Perfect for content creators with massive file libraries.

4TB capacity with 2000MB/s read speeds
USB 3.2 Gen 2x2 interface
Sleek all-aluminum build
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Spec Comparison

Spec
LaCie Rugged SSD Pro 4TB
Samsung T9 Portable 4TB
Read Speed
2.7 GB/s ✓
2.0 GB/s
Write Speed
1.9 GB/s
1.9 GB/s ✓
Capacity
4 TB
4 TB ✓
Interface
Thunderbolt 3
USB 3.2 Gen 2x2
Endurance (TBW)
2,400 TB ✓
1,200 TB
Warranty
5 Years
5 Years
Score
9.2/10
9.3/10 ✓
Total Wins
2 wins
3 wins

Frequently Asked Questions

Which is better, LaCie Rugged SSD Pro 4TB or Samsung T9 Portable 4TB?
The Samsung T9 Portable 4TB scores 9.3/10 compared to 9.2/10 for the LaCie Rugged SSD Pro 4TB. Our expert analysis favors the Samsung T9 Portable 4TB for its superior value.
What's the difference between LaCie Rugged SSD Pro 4TB and Samsung T9 Portable 4TB?
The key differences: The LaCie Rugged SSD Pro 4TB offers 2,700 MB/s reads vs 2,000 MB/s for the Samsung T9 Portable 4TB. Capacity options differ: LaCie Rugged SSD Pro 4TB is 4TB while Samsung T9 Portable 4TB is 4TB. The LaCie Rugged SSD Pro 4TB uses Thunderbolt 3 while the Samsung T9 Portable 4TB uses USB 3.2 Gen 2x2.
Which is faster, LaCie Rugged SSD Pro 4TB or Samsung T9 Portable 4TB?
The LaCie Rugged SSD Pro 4TB is faster with 2,700 MB/s read speeds compared to 2,000 MB/s for the Samsung T9 Portable 4TB. That's a 35% speed advantage.
Which has better value, LaCie Rugged SSD Pro 4TB or Samsung T9 Portable 4TB?
The Samsung T9 Portable 4TB scores higher (9.3 vs 9.2/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

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