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External SSDs

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SanDisk Extreme Pro 4TB vs Seagate One Touch SSD 500GB

Compare SanDisk Extreme Pro 4TB and Seagate One Touch SSD 500GB side by side. Both are 4TB USB 3.2 Gen 2x2 external SSDs, but they differ in speed, design, and value. Here's how they stack up.

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
Check on Amazon →

Seagate

Seagate One Touch SSD 500GB
7.6/10

The 500GB One Touch is Seagate's entry-level portable SSD — typically the cheapest brand-name 1050-class Gen 2 drive at retail. Speeds are real-world faster than rated for short transfers; the catch is that the SLC cache is tiny.

1030 MB/s read
Cheapest brand-name Gen 2 SSD class
Both cables included
Check on Amazon →

Spec Comparison

Spec
SanDisk Extreme Pro 4TB
Seagate One Touch SSD 500GB
Read Speed
2.0 GB/s ✓
1.0 GB/s
Write Speed
2.0 GB/s ✓
1.0 GB/s
Capacity
4 TB ✓
500 GB
Interface
USB 3.2 Gen 2x2
USB 3.2 Gen 2
Endurance (TBW)
1,200 TB ✓
300 TB
Warranty
5 Years ✓
3 Years
Score
9.2/10 ✓
7.6/10
Total Wins
6 wins
0 wins

Frequently Asked Questions

Which is better, SanDisk Extreme Pro 4TB or Seagate One Touch SSD 500GB?
The SanDisk Extreme Pro 4TB scores 9.2/10 compared to 7.6/10 for the Seagate One Touch SSD 500GB. Our expert analysis favors the SanDisk Extreme Pro 4TB for its superior speed.
What's the difference between SanDisk Extreme Pro 4TB and Seagate One Touch SSD 500GB?
The key differences: The SanDisk Extreme Pro 4TB offers 2,000 MB/s reads vs 1,030 MB/s for the Seagate One Touch SSD 500GB. Capacity options differ: SanDisk Extreme Pro 4TB is 4TB while Seagate One Touch SSD 500GB is 500GB. The SanDisk Extreme Pro 4TB uses USB 3.2 Gen 2x2 while the Seagate One Touch SSD 500GB uses USB 3.2 Gen 2.
Which is faster, SanDisk Extreme Pro 4TB or Seagate One Touch SSD 500GB?
The SanDisk Extreme Pro 4TB is faster with 2,000 MB/s read speeds compared to 1,030 MB/s for the Seagate One Touch SSD 500GB. That's a 94% speed advantage.
Which has better value, SanDisk Extreme Pro 4TB or Seagate One Touch SSD 500GB?
The SanDisk Extreme Pro 4TB scores higher (9.2 vs 7.6/10), indicating better overall value in our evaluation. Check both models on the retailer's site for the latest details.

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