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Portable SSDs

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Crucial X9 Pro Portable 2TB vs LaCie Rugged SSD Pro Portable 4TB

Compare Crucial X9 Pro Portable 2TB and LaCie Rugged SSD Pro Portable 4TB side by side. Both are 2TB USB 3.2 Gen 2 external SSDs, but they differ in speed, design, and value. Here's how they stack up.

Crucial

Crucial X9 Pro Portable 2TB
9.0/10

The 2TB X9 Pro doubles the cache budget over the 1TB. Real TLC NAND and 5-year warranty gives Crucial's premium portable line a longer-lived write endurance than consumer QLC alternatives. The right buy for editors who want a working drive rather than a backup drive.

Real TLC NAND
5-year warranty
1200 TBW endurance
Check on Amazon →
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 →

Spec Comparison

Spec
Crucial X9 Pro Portable 2TB
LaCie Rugged SSD Pro Portable 4TB
Read Speed
1.1 GB/s
2.7 GB/s ✓
Write Speed
950 MB/s
1.9 GB/s ✓
Capacity
2 TB
4 TB ✓
Interface
USB 3.2 Gen 2
Thunderbolt 3
Endurance (TBW)
1,200 TB
2,400 TB ✓
Warranty
5 Years
5 Years
Score
9.0/10
9.2/10 ✓
Total Wins
0 wins
5 wins

Frequently Asked Questions

Which is better, Crucial X9 Pro Portable 2TB or LaCie Rugged SSD Pro Portable 4TB?
The LaCie Rugged SSD Pro Portable 4TB scores 9.2/10 compared to 9.0/10 for the Crucial X9 Pro Portable 2TB. Our expert analysis favors the LaCie Rugged SSD Pro Portable 4TB for its superior speed.
What's the difference between Crucial X9 Pro Portable 2TB and LaCie Rugged SSD Pro Portable 4TB?
The key differences: The Crucial X9 Pro Portable 2TB offers 1,050 MB/s reads vs 2,700 MB/s for the LaCie Rugged SSD Pro Portable 4TB. Capacity options differ: Crucial X9 Pro Portable 2TB is 2TB while LaCie Rugged SSD Pro Portable 4TB is 4TB. The Crucial X9 Pro Portable 2TB uses USB 3.2 Gen 2 while the LaCie Rugged SSD Pro Portable 4TB uses Thunderbolt 3.
Which is faster, Crucial X9 Pro Portable 2TB or LaCie Rugged SSD 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 Crucial X9 Pro Portable 2TB. That's a 157% speed advantage.
Which has better value, Crucial X9 Pro Portable 2TB or LaCie Rugged SSD Pro Portable 4TB?
The LaCie Rugged SSD Pro Portable 4TB scores higher (9.2 vs 9.0/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

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Crucial X9 Pro Portable 2TB vs Samsung T9 Portable 4TB → LaCie Rugged SSD Pro Portable 4TB vs Samsung T9 Portable 4TB →
Crucial X9 Pro Portable 2TB vs Crucial X10 Pro Portable 4TB → LaCie Rugged SSD Pro Portable 4TB vs Crucial X10 Pro Portable 4TB →
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