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External SSDs

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LaCie Rugged SSD Pro 4TB vs SanDisk Extreme Pro Portable 2TB

Compare LaCie Rugged SSD Pro 4TB and SanDisk Extreme Pro Portable 2TB 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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SanDisk

SanDisk Extreme Pro Portable 2TB
9.2/10

The 2TB Extreme Pro is where SanDisk's ruggedization meets real-world capacity — enough room for a 4K video project, full Lightroom catalog, and Time Machine backup simultaneously. The IP55 shell handles trail dust and light rain where the T7 would not.

IP55 rugged body
5-year warranty
Both cables in box
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Spec Comparison

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

Frequently Asked Questions

Which is better, LaCie Rugged SSD Pro 4TB or SanDisk Extreme Pro Portable 2TB?
Both drives score 9.2/10 in our expert testing. The best choice depends on your specific needs.
What's the difference between LaCie Rugged SSD Pro 4TB and SanDisk Extreme Pro Portable 2TB?
The key differences: The LaCie Rugged SSD Pro 4TB offers 2,700 MB/s reads vs 1,050 MB/s for the SanDisk Extreme Pro Portable 2TB. Capacity options differ: LaCie Rugged SSD Pro 4TB is 4TB while SanDisk Extreme Pro Portable 2TB is 2TB. The LaCie Rugged SSD Pro 4TB uses Thunderbolt 3 while the SanDisk Extreme Pro Portable 2TB uses USB 3.2 Gen 2.
Which is faster, LaCie Rugged SSD Pro 4TB or SanDisk Extreme Pro Portable 2TB?
The LaCie Rugged SSD Pro 4TB is faster with 2,700 MB/s read speeds compared to 1,050 MB/s for the SanDisk Extreme Pro Portable 2TB. That's a 157% speed advantage.
Which has better value, LaCie Rugged SSD Pro 4TB or SanDisk Extreme Pro Portable 2TB?
Both drives score the same in our evaluation. Consider features, endurance, and warranty to determine which suits your needs better.

More Comparisons

LaCie Rugged SSD Pro 4TB vs Samsung T9 2TB → SanDisk Extreme Pro Portable 2TB vs Samsung T9 2TB →
LaCie Rugged SSD Pro 4TB vs Samsung T9 Portable SSD → SanDisk Extreme Pro Portable 2TB vs Samsung T9 Portable SSD →
LaCie Rugged SSD Pro 4TB vs Crucial X10 Pro 2TB → SanDisk Extreme Pro Portable 2TB vs Crucial X10 Pro 2TB →
LaCie Rugged SSD Pro 4TB vs Samsung T7 4TB → SanDisk Extreme Pro Portable 2TB vs Samsung T7 4TB →