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External SSDs

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Lexar SL100 Pro 1TB vs WD Black P50 Game Drive SSD 4TB — Which External SSD Is Faster & Better Value?

Compare Lexar SL100 Pro 1TB and WD Black P50 Game Drive SSD 4TB side by side. Both are 1TB USB 3.2 Gen 2 external SSDs, but they differ in speed, design, and value. Here's how they stack up.

Lexar

Lexar SL100 Pro 1TB
7.5/10

A 950 MB/s Gen 2 portable in a brushed-aluminum case the size of a credit card. The SL100 Pro is one of the smallest 1TB Gen 2 SSDs at retail — buy it for the form factor, not the rated speed (which undershoots the Gen 2 ceiling).

Brushed-aluminum case
950 MB/s read
Tiny credit-card footprint
Check on Amazon →
Our Pick

Western Digital

WD Black P50 Game Drive SSD 4TB
8.7/10

A 4TB SSD explicitly marketed for PS5/Xbox Series X|S game-library cold storage — the entire point is moving games you're not currently playing off the internal SSD without redownloading. Both cables in box, 5-year warranty.

4TB Gen 2x2 storage
5-year warranty
Both USB-C and USB-A cables
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Spec Comparison

Spec
Lexar SL100 Pro 1TB
WD Black P50 Game Drive SSD 4TB
Read Speed
950 MB/s
2.0 GB/s ✓
Write Speed
950 MB/s
2.0 GB/s ✓
Capacity
1 TB
4 TB ✓
Interface
USB 3.2 Gen 2
USB 3.2 Gen 2
Endurance (TBW)
600 TB
2,400 TB ✓
Warranty
3 Years
5 Years ✓
Score
7.5/10
8.7/10 ✓
Total Wins
0 wins
6 wins

Frequently Asked Questions

Which is better, Lexar SL100 Pro 1TB or WD Black P50 Game Drive SSD 4TB?
The WD Black P50 Game Drive SSD 4TB scores 8.7/10 compared to 7.5/10 for the Lexar SL100 Pro 1TB. Our expert analysis favors the WD Black P50 Game Drive SSD 4TB for its superior speed.
What's the difference between Lexar SL100 Pro 1TB and WD Black P50 Game Drive SSD 4TB?
The key differences: The Lexar SL100 Pro 1TB offers 950 MB/s reads vs 2,000 MB/s for the WD Black P50 Game Drive SSD 4TB. Capacity options differ: Lexar SL100 Pro 1TB is 1TB while WD Black P50 Game Drive SSD 4TB is 4TB. The Lexar SL100 Pro 1TB uses USB 3.2 Gen 2 while the WD Black P50 Game Drive SSD 4TB uses USB 3.2 Gen 2.
Which is faster, Lexar SL100 Pro 1TB or WD Black P50 Game Drive SSD 4TB?
The WD Black P50 Game Drive SSD 4TB is faster with 2,000 MB/s read speeds compared to 950 MB/s for the Lexar SL100 Pro 1TB. That's a 111% speed advantage.
Which has better value, Lexar SL100 Pro 1TB or WD Black P50 Game Drive SSD 4TB?
The WD Black P50 Game Drive SSD 4TB scores higher (8.7 vs 7.5/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

More Comparisons

Lexar SL100 Pro 1TB vs Samsung T9 2TB → WD Black P50 Game Drive SSD 4TB vs Samsung T9 2TB →
Lexar SL100 Pro 1TB vs Samsung T9 Portable SSD → WD Black P50 Game Drive SSD 4TB vs Samsung T9 Portable SSD →
Lexar SL100 Pro 1TB vs Crucial X10 Pro 2TB → WD Black P50 Game Drive SSD 4TB vs Crucial X10 Pro 2TB →
Lexar SL100 Pro 1TB vs Samsung T7 4TB → WD Black P50 Game Drive SSD 4TB vs Samsung T7 4TB →