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Portable SSDs

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LaCie Rugged SSD Pro Portable 4TB vs WD Black P50 Game Drive SSD Portable 4TB — Which Portable SSD Is Faster & Better Value?

Compare LaCie Rugged SSD Pro Portable 4TB and WD Black P50 Game Drive SSD Portable 4TB 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 →

Western Digital

WD Black P50 Game Drive SSD Portable 4TB
8.7/10

A 4TB Black P50 with 5-year warranty — RGB-free PS5/Xbox cold-library overflow. The largest Gen 2x2 SSD with a console-gamer retail pricing model. Difficult to compete with at this capacity × warranty intersection.

Gen 2x2 + 4TB + 5-year warranty
RGB-free gamer aesthetic
Console cold-library ready
Check on Amazon →

Spec Comparison

Spec
LaCie Rugged SSD Pro Portable 4TB
WD Black P50 Game Drive SSD Portable 4TB
Read Speed
2.7 GB/s ✓
2.0 GB/s
Write Speed
1.9 GB/s
2.0 GB/s ✓
Capacity
4 TB
4 TB
Interface
Thunderbolt 3
USB 3.2 Gen 2
Endurance (TBW)
2,400 TB
2,400 TB
Warranty
5 Years
5 Years
Score
9.2/10 ✓
8.7/10
Total Wins
2 wins
1 win

Frequently Asked Questions

Which is better, LaCie Rugged SSD Pro Portable 4TB or WD Black P50 Game Drive SSD Portable 4TB?
The LaCie Rugged SSD Pro Portable 4TB scores 9.2/10 compared to 8.7/10 for the WD Black P50 Game Drive SSD Portable 4TB. 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 WD Black P50 Game Drive SSD Portable 4TB?
The key differences: The LaCie Rugged SSD Pro Portable 4TB offers 2,700 MB/s reads vs 2,000 MB/s for the WD Black P50 Game Drive SSD Portable 4TB. Capacity options differ: LaCie Rugged SSD Pro Portable 4TB is 4TB while WD Black P50 Game Drive SSD Portable 4TB is 4TB. The LaCie Rugged SSD Pro Portable 4TB uses Thunderbolt 3 while the WD Black P50 Game Drive SSD Portable 4TB uses USB 3.2 Gen 2.
Which is faster, LaCie Rugged SSD Pro Portable 4TB or WD Black P50 Game Drive SSD Portable 4TB?
The LaCie Rugged SSD Pro Portable 4TB is faster with 2,700 MB/s read speeds compared to 2,000 MB/s for the WD Black P50 Game Drive SSD Portable 4TB. That's a 35% speed advantage.
Which has better value, LaCie Rugged SSD Pro Portable 4TB or WD Black P50 Game Drive SSD Portable 4TB?
The LaCie Rugged SSD Pro Portable 4TB scores higher (9.2 vs 8.7/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

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