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External SSDs

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SanDisk Extreme Portable 2TB vs Seagate One Touch SSD 500GB

Compare SanDisk Extreme Portable 2TB and Seagate One Touch SSD 500GB 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.

Our Pick

SanDisk

SanDisk Extreme Portable 2TB
8.6/10

A cheaper alternative to the 2TB Extreme Pro for buyers who need capacity and ruggedization more than sustained write speed. The 2TB die stack actually sustains writes longer than the 1TB before the SLC cache exhausts.

IP55 rugged body
2TB storage
Lower cost than 2TB Extreme Pro
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 Portable 2TB
Seagate One Touch SSD 500GB
Read Speed
1.1 GB/s ✓
1.0 GB/s
Write Speed
1.0 GB/s
1.0 GB/s ✓
Capacity
2 TB ✓
500 GB
Interface
USB 3.2 Gen 2
USB 3.2 Gen 2
Endurance (TBW)
1,200 TB ✓
300 TB
Warranty
3 Years
3 Years
Score
8.6/10 ✓
7.6/10
Total Wins
4 wins
1 win

Frequently Asked Questions

Which is better, SanDisk Extreme Portable 2TB or Seagate One Touch SSD 500GB?
The SanDisk Extreme Portable 2TB scores 8.6/10 compared to 7.6/10 for the Seagate One Touch SSD 500GB. Our expert analysis favors the SanDisk Extreme Portable 2TB for its superior speed.
What's the difference between SanDisk Extreme Portable 2TB and Seagate One Touch SSD 500GB?
The key differences: The SanDisk Extreme Portable 2TB offers 1,050 MB/s reads vs 1,030 MB/s for the Seagate One Touch SSD 500GB. Capacity options differ: SanDisk Extreme Portable 2TB is 2TB while Seagate One Touch SSD 500GB is 500GB. The SanDisk Extreme Portable 2TB uses USB 3.2 Gen 2 while the Seagate One Touch SSD 500GB uses USB 3.2 Gen 2.
Which is faster, SanDisk Extreme Portable 2TB or Seagate One Touch SSD 500GB?
The SanDisk Extreme Portable 2TB is faster with 1,050 MB/s read speeds compared to 1,030 MB/s for the Seagate One Touch SSD 500GB. That's a 2% speed advantage.
Which has better value, SanDisk Extreme Portable 2TB or Seagate One Touch SSD 500GB?
The SanDisk Extreme Portable 2TB scores higher (8.6 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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