Skip to main content
External SSDs

As an Amazon Associate I earn from qualifying purchases. We may earn a commission from qualifying purchases made through links on this page. Prices and availability are subject to change. We are reader-supported and independent — our rankings are based on an objective scoring rubric, not sponsorship.

LaCie Rugged SSD Pro 2TB vs Lexar SL100 Pro 1TB — Which External SSD Is Faster & Better Value?

Compare LaCie Rugged SSD Pro 2TB and Lexar SL100 Pro 1TB side by side. Both are 2TB 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 2TB
9.1/10

The 2TB Rugged SSD Pro doubles capacity of the iconic Thunderbolt 3 rugged drive. The standard field drive for outdoor wedding, extreme-sports, and news videographers who need both real-time 6K editing and a drive that survives a sandstorm.

Thunderbolt 3 2700 MB/s
IP67 rugged
5-year Rescue
Check on Amazon →

Lexar

Lexar SL100 Pro 1TB
7.5/10

A 950 MB/s Gen 2 portable in a brushed-aluminum case the size of a credit card. The SL100 Pro is one of the smallest 1TB Gen 2 SSDs at retail — buy it for the form factor, not the rated speed (which undershoots the Gen 2 ceiling).

Brushed-aluminum case
950 MB/s read
Tiny credit-card footprint
Check on Amazon →

Spec Comparison

Spec
LaCie Rugged SSD Pro 2TB
Lexar SL100 Pro 1TB
Read Speed
2.7 GB/s ✓
950 MB/s
Write Speed
1.9 GB/s ✓
950 MB/s
Capacity
2 TB ✓
1 TB
Interface
Thunderbolt 3
USB 3.2 Gen 2
Endurance (TBW)
1,200 TB ✓
600 TB
Warranty
5 Years ✓
3 Years
Score
9.1/10 ✓
7.5/10
Total Wins
6 wins
0 wins

Frequently Asked Questions

Which is better, LaCie Rugged SSD Pro 2TB or Lexar SL100 Pro 1TB?
The LaCie Rugged SSD Pro 2TB scores 9.1/10 compared to 7.5/10 for the Lexar SL100 Pro 1TB. Our expert analysis favors the LaCie Rugged SSD Pro 2TB for its superior speed.
What's the difference between LaCie Rugged SSD Pro 2TB and Lexar SL100 Pro 1TB?
The key differences: The LaCie Rugged SSD Pro 2TB offers 2,700 MB/s reads vs 950 MB/s for the Lexar SL100 Pro 1TB. Capacity options differ: LaCie Rugged SSD Pro 2TB is 2TB while Lexar SL100 Pro 1TB is 1TB. The LaCie Rugged SSD Pro 2TB uses Thunderbolt 3 while the Lexar SL100 Pro 1TB uses USB 3.2 Gen 2.
Which is faster, LaCie Rugged SSD Pro 2TB or Lexar SL100 Pro 1TB?
The LaCie Rugged SSD Pro 2TB is faster with 2,700 MB/s read speeds compared to 950 MB/s for the Lexar SL100 Pro 1TB. That's a 184% speed advantage.
Which has better value, LaCie Rugged SSD Pro 2TB or Lexar SL100 Pro 1TB?
The LaCie Rugged SSD Pro 2TB scores higher (9.1 vs 7.5/10), 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 2TB vs Samsung T9 2TB → Lexar SL100 Pro 1TB vs Samsung T9 2TB →
LaCie Rugged SSD Pro 2TB vs Samsung T9 Portable SSD → Lexar SL100 Pro 1TB vs Samsung T9 Portable SSD →
LaCie Rugged SSD Pro 2TB vs Crucial X10 Pro 2TB → Lexar SL100 Pro 1TB vs Crucial X10 Pro 2TB →
LaCie Rugged SSD Pro 2TB vs Samsung T7 4TB → Lexar SL100 Pro 1TB vs Samsung T7 4TB →