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Portable SSDs

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Lexar SL660 Portable 2TB vs WD Black P50 Game Drive SSD Portable 4TB

Compare Lexar SL660 Portable 2TB and WD Black P50 Game Drive SSD Portable 4TB side by side. Both are 2TB USB 3.2 Gen 2x2 external SSDs, but they differ in speed, design, and value. Here's how they stack up.

Lexar

Lexar SL660 Portable 2TB
8.2/10

The 2TB SL660 doubles SLC cache budget over the 1TB. RGB and aluminum body preserved -- a competitive Gen 2x2 2TB at moderate pricing, comparable with the Kingston XS2000 2TB and Patriot Evlvr 2TB.

Gen 2x2 2000 MB/s
2TB storage
Aluminum body
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Our Pick

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
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Spec Comparison

Spec
Lexar SL660 Portable 2TB
WD Black P50 Game Drive SSD Portable 4TB
Read Speed
2.0 GB/s
2.0 GB/s
Write Speed
2.0 GB/s
2.0 GB/s
Capacity
2 TB
4 TB ✓
Interface
USB 3.2 Gen 2x2
USB 3.2 Gen 2
Endurance (TBW)
1,200 TB
2,400 TB ✓
Warranty
3 Years
5 Years ✓
Score
8.2/10
8.7/10 ✓
Total Wins
0 wins
4 wins

Frequently Asked Questions

Which is better, Lexar SL660 Portable 2TB or WD Black P50 Game Drive SSD Portable 4TB?
The WD Black P50 Game Drive SSD Portable 4TB scores 8.7/10 compared to 8.2/10 for the Lexar SL660 Portable 2TB. Our expert analysis favors the WD Black P50 Game Drive SSD Portable 4TB for its superior value.
What's the difference between Lexar SL660 Portable 2TB and WD Black P50 Game Drive SSD Portable 4TB?
The key differences: The Lexar SL660 Portable 2TB offers 2,000 MB/s reads vs 2,000 MB/s for the WD Black P50 Game Drive SSD Portable 4TB. Capacity options differ: Lexar SL660 Portable 2TB is 2TB while WD Black P50 Game Drive SSD Portable 4TB is 4TB. The Lexar SL660 Portable 2TB uses USB 3.2 Gen 2x2 while the WD Black P50 Game Drive SSD Portable 4TB uses USB 3.2 Gen 2.
Which is faster, Lexar SL660 Portable 2TB or WD Black P50 Game Drive SSD Portable 4TB?
Both drives offer the same 2,000 MB/s read speeds.
Which has better value, Lexar SL660 Portable 2TB or WD Black P50 Game Drive SSD Portable 4TB?
The WD Black P50 Game Drive SSD Portable 4TB scores higher (8.7 vs 8.2/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

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