Skip to main content
Portable 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 Portable 4TB vs Samsung T9 Portable SSD — Which Portable SSD Is Faster & Better Value?

Compare LaCie Rugged SSD Pro Portable 4TB and Samsung T9 Portable SSD 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
Check on Amazon →
Our Pick

Samsung

Samsung T9 Portable SSD
9.6/10

The fastest Samsung portable SSD with USB 3.2 Gen 2x2 interface. Up to 2GB/s sequential reads.

Fastest Samsung portable SSD
USB 3.2 Gen 2x2 support
5-year warranty
Check on Amazon →

Spec Comparison

Spec
LaCie Rugged SSD Pro Portable 4TB
Samsung T9 Portable SSD
Read Speed
2.7 GB/s ✓
2.0 GB/s
Write Speed
1.9 GB/s
1.9 GB/s ✓
Capacity
4 TB ✓
1 TB
Interface
Thunderbolt 3
USB 3.2 Gen 2x2
Endurance (TBW)
2,400 TB ✓
600 TB
Warranty
5 Years
5 Years
Score
9.2/10
9.6/10 ✓
Total Wins
3 wins
2 wins

Frequently Asked Questions

Which is better, LaCie Rugged SSD Pro Portable 4TB or Samsung T9 Portable SSD?
The Samsung T9 Portable SSD scores 9.6/10 compared to 9.2/10 for the LaCie Rugged SSD Pro Portable 4TB. Our expert analysis favors the Samsung T9 Portable SSD for its superior value.
What's the difference between LaCie Rugged SSD Pro Portable 4TB and Samsung T9 Portable SSD?
The key differences: The LaCie Rugged SSD Pro Portable 4TB offers 2,700 MB/s reads vs 2,000 MB/s for the Samsung T9 Portable SSD. Capacity options differ: LaCie Rugged SSD Pro Portable 4TB is 4TB while Samsung T9 Portable SSD is 1TB. The LaCie Rugged SSD Pro Portable 4TB uses Thunderbolt 3 while the Samsung T9 Portable SSD uses USB 3.2 Gen 2x2.
Which is faster, LaCie Rugged SSD Pro Portable 4TB or Samsung T9 Portable SSD?
The LaCie Rugged SSD Pro Portable 4TB is faster with 2,700 MB/s read speeds compared to 2,000 MB/s for the Samsung T9 Portable SSD. That's a 35% speed advantage.
Which has better value, LaCie Rugged SSD Pro Portable 4TB or Samsung T9 Portable SSD?
The Samsung T9 Portable SSD scores higher (9.6 vs 9.2/10), 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 Portable 4TB vs Samsung T9 Portable 4TB → Samsung T9 Portable SSD vs Samsung T9 Portable 4TB →
LaCie Rugged SSD Pro Portable 4TB vs Crucial X10 Pro Portable 4TB → Samsung T9 Portable SSD vs Crucial X10 Pro Portable 4TB →
LaCie Rugged SSD Pro Portable 4TB vs Sabrent Rocket Nano V2 → Samsung T9 Portable SSD vs Sabrent Rocket Nano V2 →
LaCie Rugged SSD Pro Portable 4TB vs Samsung T9 Portable 2TB → Samsung T9 Portable SSD vs Samsung T9 Portable 2TB →