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Portable SSDs

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LaCie Rugged SSD Pro Portable 4TB vs SanDisk Extreme Pro Portable 4TB

Compare LaCie Rugged SSD Pro Portable 4TB and SanDisk Extreme Pro 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 Portable 4TB
9.2/10

A 4TB Thunderbolt 3 portable in the iconic LaCie rugged orange body - one-of-one at this capacity/speed tier. Largely without competitor at 4TB Thunderbolt 3 + IP67 = niche product, premium pricing pairs the niche.

Thunderbolt 3 + 4TB + IP67
5-year Rescue
3-meter drop + 1-ton crush
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Our Pick

SanDisk

SanDisk Extreme Pro Portable 4TB
9.3/10

The 4TB Extreme Pro is the largest portable SSD in SanDisk's ruggedized line and a direct competitor to the Samsung T7 Shield 4TB. The 5-year warranty plus IP55 rubber armor are distinguishing factors vs other 4TB portable SSDs — most peers only offer 3.

4TB @ IP55 rugged
5-year warranty
Both cables in box
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Spec Comparison

Spec
LaCie Rugged SSD Pro Portable 4TB
SanDisk Extreme Pro Portable 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
5 Years
Score
9.2/10
9.3/10 ✓
Total Wins
2 wins
1 win

Frequently Asked Questions

Which is better, LaCie Rugged SSD Pro Portable 4TB or SanDisk Extreme Pro Portable 4TB?
The SanDisk Extreme Pro Portable 4TB scores 9.3/10 compared to 9.2/10 for the LaCie Rugged SSD Pro Portable 4TB. Our expert analysis favors the SanDisk Extreme Pro Portable 4TB for its superior value.
What's the difference between LaCie Rugged SSD Pro Portable 4TB and SanDisk Extreme Pro Portable 4TB?
The key differences: The LaCie Rugged SSD Pro Portable 4TB offers 2,700 MB/s reads vs 1,050 MB/s for the SanDisk Extreme Pro Portable 4TB. Capacity options differ: LaCie Rugged SSD Pro Portable 4TB is 4TB while SanDisk Extreme Pro Portable 4TB is 4TB. The LaCie Rugged SSD Pro Portable 4TB uses Thunderbolt 3 while the SanDisk Extreme Pro Portable 4TB uses USB 3.2 Gen 2.
Which is faster, LaCie Rugged SSD Pro Portable 4TB or SanDisk Extreme Pro Portable 4TB?
The LaCie Rugged SSD Pro Portable 4TB is faster with 2,700 MB/s read speeds compared to 1,050 MB/s for the SanDisk Extreme Pro Portable 4TB. That's a 157% speed advantage.
Which has better value, LaCie Rugged SSD Pro Portable 4TB or SanDisk Extreme Pro Portable 4TB?
The SanDisk Extreme Pro 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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