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External SSDs

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Crucial X6 2TB vs SanDisk Extreme Pro 4TB

Compare Crucial X6 2TB and SanDisk Extreme Pro 4TB side by side. Both are 2TB USB 3.2 Gen 2 external SSDs, but they differ in speed, design, and value. Here's how they stack up.

Crucial

Crucial X6 2TB
8.0/10

The 2TB X6 is a budget buy for console-game storage or backup duty — at 800 MB/s it's easily fast enough for cold-game library overflow on PS5 (where the internal SSD handles active play), and the larger die stack holds the 800 MB/s rate longer than the 1TB.

800 MB/s read
Budget-friendly $/TB
PS5/Xbox compatible for cold library
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Our Pick

SanDisk

SanDisk Extreme Pro 4TB
9.2/10

Extreme 4TB portable SSD with 2000MB/s speeds and IP55 rating. The ultimate high-capacity drive for professionals on the go.

4TB capacity with 2000MB/s read and write
IP55 water and dust resistance
5-year warranty
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Spec Comparison

Spec
Crucial X6 2TB
SanDisk Extreme Pro 4TB
Read Speed
800 MB/s
2.0 GB/s ✓
Write Speed
800 MB/s
2.0 GB/s ✓
Capacity
2 TB
4 TB ✓
Interface
USB 3.2 Gen 2
USB 3.2 Gen 2x2
Endurance (TBW)
1,200 TB
1,200 TB
Warranty
3 Years
5 Years ✓
Score
8.0/10
9.2/10 ✓
Total Wins
0 wins
5 wins

Frequently Asked Questions

Which is better, Crucial X6 2TB or SanDisk Extreme Pro 4TB?
The SanDisk Extreme Pro 4TB scores 9.2/10 compared to 8.0/10 for the Crucial X6 2TB. Our expert analysis favors the SanDisk Extreme Pro 4TB for its superior speed.
What's the difference between Crucial X6 2TB and SanDisk Extreme Pro 4TB?
The key differences: The Crucial X6 2TB offers 800 MB/s reads vs 2,000 MB/s for the SanDisk Extreme Pro 4TB. Capacity options differ: Crucial X6 2TB is 2TB while SanDisk Extreme Pro 4TB is 4TB. The Crucial X6 2TB uses USB 3.2 Gen 2 while the SanDisk Extreme Pro 4TB uses USB 3.2 Gen 2x2.
Which is faster, Crucial X6 2TB or SanDisk Extreme Pro 4TB?
The SanDisk Extreme Pro 4TB is faster with 2,000 MB/s read speeds compared to 800 MB/s for the Crucial X6 2TB. That's a 150% speed advantage.
Which has better value, Crucial X6 2TB or SanDisk Extreme Pro 4TB?
The SanDisk Extreme Pro 4TB scores higher (9.2 vs 8.0/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

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