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 4TB vs WD Black P50 Game Drive SSD 1TB — Which External SSD Is Faster & Better Value?

Compare LaCie Rugged SSD Pro 4TB and WD Black P50 Game Drive SSD 1TB 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 4TB
9.2/10

A 4TBThunderbolt 3 portable — uniquely huge for this speed tier. The Rugged SSD Pro 4TB fills a slot nothing else really does: 4TB of fast external storage that's actually rugged, not just claimed to be.

Thunderbolt 3 + 4TB
IP67 + 3m drop + 1-ton crush
5-year Rescue
Check on Amazon →

Western Digital

WD Black P50 Game Drive SSD 1TB
8.5/10

The WD Black P50 was the first console-targeted portable SSD to claim Gen 2x2 speeds on paper, although on a Gen 2 host it caps at 10Gbps. Big in Xbox/PS5 circles for the gamer-aesthetic naming and the 5-year warranty.

Gen 2x2 ready (2000 MB/s)
5-year warranty
Console-aesthetic build
Check on Amazon →

Spec Comparison

Spec
LaCie Rugged SSD Pro 4TB
WD Black P50 Game Drive SSD 1TB
Read Speed
2.7 GB/s ✓
2.0 GB/s
Write Speed
1.9 GB/s
2.0 GB/s ✓
Capacity
4 TB ✓
1 TB
Interface
Thunderbolt 3
USB 3.2 Gen 2
Endurance (TBW)
2,400 TB ✓
600 TB
Warranty
5 Years
5 Years
Score
9.2/10 ✓
8.5/10
Total Wins
4 wins
1 win

Frequently Asked Questions

Which is better, LaCie Rugged SSD Pro 4TB or WD Black P50 Game Drive SSD 1TB?
The LaCie Rugged SSD Pro 4TB scores 9.2/10 compared to 8.5/10 for the WD Black P50 Game Drive SSD 1TB. Our expert analysis favors the LaCie Rugged SSD Pro 4TB for its superior speed.
What's the difference between LaCie Rugged SSD Pro 4TB and WD Black P50 Game Drive SSD 1TB?
The key differences: The LaCie Rugged SSD Pro 4TB offers 2,700 MB/s reads vs 2,000 MB/s for the WD Black P50 Game Drive SSD 1TB. Capacity options differ: LaCie Rugged SSD Pro 4TB is 4TB while WD Black P50 Game Drive SSD 1TB is 1TB. The LaCie Rugged SSD Pro 4TB uses Thunderbolt 3 while the WD Black P50 Game Drive SSD 1TB uses USB 3.2 Gen 2.
Which is faster, LaCie Rugged SSD Pro 4TB or WD Black P50 Game Drive SSD 1TB?
The LaCie Rugged SSD Pro 4TB is faster with 2,700 MB/s read speeds compared to 2,000 MB/s for the WD Black P50 Game Drive SSD 1TB. That's a 35% speed advantage.
Which has better value, LaCie Rugged SSD Pro 4TB or WD Black P50 Game Drive SSD 1TB?
The LaCie Rugged SSD Pro 4TB scores higher (9.2 vs 8.5/10), 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 4TB vs Samsung T9 2TB → WD Black P50 Game Drive SSD 1TB vs Samsung T9 2TB →
LaCie Rugged SSD Pro 4TB vs Samsung T9 Portable SSD → WD Black P50 Game Drive SSD 1TB vs Samsung T9 Portable SSD →
LaCie Rugged SSD Pro 4TB vs Crucial X10 Pro 2TB → WD Black P50 Game Drive SSD 1TB vs Crucial X10 Pro 2TB →
LaCie Rugged SSD Pro 4TB vs Samsung T7 4TB → WD Black P50 Game Drive SSD 1TB vs Samsung T7 4TB →