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 WD Black P50 Game Drive SSD Portable 1TB

Compare LaCie Rugged SSD Pro Portable 4TB and WD Black P50 Game Drive SSD Portable 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 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 1TB
8.5/10

A Gen 2x2 portable aimed squarely at PS5/Xbox cold-library expansion. The Black P50 has a 5-year warranty — best in its tier. RGB-free compared to the Seagate FireCuda — preferred by buyers who don't want gaming-aesthetic drives.

Gen 2x2 2000 MB/s
5-year warranty
Console compatible
Check on Amazon →

Spec Comparison

Spec
LaCie Rugged SSD Pro Portable 4TB
WD Black P50 Game Drive SSD Portable 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 Portable 4TB or WD Black P50 Game Drive SSD Portable 1TB?
The LaCie Rugged SSD Pro Portable 4TB scores 9.2/10 compared to 8.5/10 for the WD Black P50 Game Drive SSD Portable 1TB. 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 1TB?
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 1TB. Capacity options differ: LaCie Rugged SSD Pro Portable 4TB is 4TB while WD Black P50 Game Drive SSD Portable 1TB is 1TB. The LaCie Rugged SSD Pro Portable 4TB uses Thunderbolt 3 while the WD Black P50 Game Drive SSD Portable 1TB uses USB 3.2 Gen 2.
Which is faster, LaCie Rugged SSD Pro Portable 4TB or WD Black P50 Game Drive SSD Portable 1TB?
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 1TB. That's a 35% speed advantage.
Which has better value, LaCie Rugged SSD Pro Portable 4TB or WD Black P50 Game Drive SSD Portable 1TB?
The LaCie Rugged SSD Pro Portable 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 Portable 4TB vs Samsung T9 Portable SSD → WD Black P50 Game Drive SSD Portable 1TB vs Samsung T9 Portable SSD →
LaCie Rugged SSD Pro Portable 4TB vs Samsung T9 Portable 4TB → WD Black P50 Game Drive SSD Portable 1TB vs Samsung T9 Portable 4TB →
LaCie Rugged SSD Pro Portable 4TB vs Crucial X10 Pro Portable 4TB → WD Black P50 Game Drive SSD Portable 1TB vs Crucial X10 Pro Portable 4TB →
LaCie Rugged SSD Pro Portable 4TB vs Sabrent Rocket Nano V2 → WD Black P50 Game Drive SSD Portable 1TB vs Sabrent Rocket Nano V2 →