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External SSDs

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

Compare SanDisk Extreme Portable 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.

SanDisk

SanDisk Extreme Portable 1TB
8.5/10

The non-Pro Extreme is the lower-cost sibling — same 1050 MB/s rated read and IP55 rugged body, but writes top out well below Extreme Pro on sustained workloads. A solid buy when the write-speed gap doesn't matter (game consoles, file transfer, backup) but the rugged rating does.

IP55 rugged body
Same 1050 read as Extreme Pro
Cheaper than Pro by a wide margin
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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
SanDisk Extreme Portable 1TB
WD Black P50 Game Drive SSD 4TB
Read Speed
1.1 GB/s
2.0 GB/s ✓
Write Speed
1.0 GB/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
8.5/10
8.7/10 ✓
Total Wins
0 wins
6 wins

Frequently Asked Questions

Which is better, SanDisk Extreme Portable 1TB or WD Black P50 Game Drive SSD 4TB?
The WD Black P50 Game Drive SSD 4TB scores 8.7/10 compared to 8.5/10 for the SanDisk Extreme Portable 1TB. Our expert analysis favors the WD Black P50 Game Drive SSD 4TB for its superior speed.
What's the difference between SanDisk Extreme Portable 1TB and WD Black P50 Game Drive SSD 4TB?
The key differences: The SanDisk Extreme Portable 1TB offers 1,050 MB/s reads vs 2,000 MB/s for the WD Black P50 Game Drive SSD 4TB. Capacity options differ: SanDisk Extreme Portable 1TB is 1TB while WD Black P50 Game Drive SSD 4TB is 4TB. The SanDisk Extreme Portable 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, SanDisk Extreme Portable 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 1,050 MB/s for the SanDisk Extreme Portable 1TB. That's a 90% speed advantage.
Which has better value, SanDisk Extreme Portable 1TB or WD Black P50 Game Drive SSD 4TB?
The WD Black P50 Game Drive SSD 4TB scores higher (8.7 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

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