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Portable SSDs

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LaCie Rugged SSD Pro Portable 4TB vs Lexar SL100 Pro Portable 2TB

Compare LaCie Rugged SSD Pro Portable 4TB and Lexar SL100 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.

Our Pick

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
Check on Amazon →

Lexar

Lexar SL100 Pro Portable 2TB
7.6/10

The 2TB SL100 Pro in the same brushed-aluminum credit-card footprint of the 1TB. Famously pocketable but only marginally faster on sustained writes thanks to the larger SLC cache.

2TB credit-card footprint
950 MB/s read
Aluminum body
Check on Amazon →

Spec Comparison

Spec
LaCie Rugged SSD Pro Portable 4TB
Lexar SL100 Pro Portable 2TB
Read Speed
2.7 GB/s ✓
950 MB/s
Write Speed
1.9 GB/s ✓
950 MB/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 ✓
3 Years
Score
9.2/10 ✓
7.6/10
Total Wins
6 wins
0 wins

Frequently Asked Questions

Which is better, LaCie Rugged SSD Pro Portable 4TB or Lexar SL100 Pro Portable 2TB?
The LaCie Rugged SSD Pro Portable 4TB scores 9.2/10 compared to 7.6/10 for the Lexar SL100 Pro Portable 2TB. Our expert analysis favors the LaCie Rugged SSD Pro Portable 4TB for its superior speed.
What's the difference between LaCie Rugged SSD Pro Portable 4TB and Lexar SL100 Pro Portable 2TB?
The key differences: The LaCie Rugged SSD Pro Portable 4TB offers 2,700 MB/s reads vs 950 MB/s for the Lexar SL100 Pro Portable 2TB. Capacity options differ: LaCie Rugged SSD Pro Portable 4TB is 4TB while Lexar SL100 Pro Portable 2TB is 2TB. The LaCie Rugged SSD Pro Portable 4TB uses Thunderbolt 3 while the Lexar SL100 Pro Portable 2TB uses USB 3.2 Gen 2.
Which is faster, LaCie Rugged SSD Pro Portable 4TB or Lexar SL100 Pro Portable 2TB?
The LaCie Rugged SSD Pro Portable 4TB is faster with 2,700 MB/s read speeds compared to 950 MB/s for the Lexar SL100 Pro Portable 2TB. That's a 184% speed advantage.
Which has better value, LaCie Rugged SSD Pro Portable 4TB or Lexar SL100 Pro Portable 2TB?
The LaCie Rugged SSD Pro Portable 4TB scores higher (9.2 vs 7.6/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

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