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External SSDs

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Samsung T9 Portable 4TB vs Seagate One Touch SSD 500GB

Compare Samsung T9 Portable 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

Samsung

Samsung T9 Portable 4TB
9.3/10

Blazing-fast 4TB external SSD with USB 3.2 Gen 2x2 speeds up to 2000MB/s. Perfect for content creators with massive file libraries.

4TB capacity with 2000MB/s read speeds
USB 3.2 Gen 2x2 interface
Sleek all-aluminum build
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
Samsung T9 Portable 4TB
Seagate One Touch SSD 500GB
Read Speed
2.0 GB/s ✓
1.0 GB/s
Write Speed
1.9 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
9.3/10 ✓
7.6/10
Total Wins
6 wins
0 wins

Frequently Asked Questions

Which is better, Samsung T9 Portable 4TB or Seagate One Touch SSD 500GB?
The Samsung T9 Portable 4TB scores 9.3/10 compared to 7.6/10 for the Seagate One Touch SSD 500GB. Our expert analysis favors the Samsung T9 Portable 4TB for its superior speed.
What's the difference between Samsung T9 Portable 4TB and Seagate One Touch SSD 500GB?
The key differences: The Samsung T9 Portable 4TB offers 2,000 MB/s reads vs 1,030 MB/s for the Seagate One Touch SSD 500GB. Capacity options differ: Samsung T9 Portable 4TB is 4TB while Seagate One Touch SSD 500GB is 500GB. The Samsung T9 Portable 4TB uses USB 3.2 Gen 2x2 while the Seagate One Touch SSD 500GB uses USB 3.2 Gen 2.
Which is faster, Samsung T9 Portable 4TB or Seagate One Touch SSD 500GB?
The Samsung T9 Portable 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, Samsung T9 Portable 4TB or Seagate One Touch SSD 500GB?
The Samsung T9 Portable 4TB scores higher (9.3 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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