Question 1

Which is better, SanDisk Extreme Pro 1TB SD or Seagate Expansion 4TB?

Accepted Answer

Both products scored 8.5/10 in our testing — it's a tie. Choose based on which features matter most to you.

Question 2

Is the SanDisk Extreme Pro 1TB SD worth it over the Seagate Expansion 4TB?

Accepted Answer

The SanDisk Extreme Pro 1TB SD scores 8.5/10 while the Seagate Expansion 4TB scores 8.5/10. The SanDisk Extreme Pro 1TB SD is our "Best Overall" pick in the Best MicroSD Cards for Engineers 2026 category.

SanDisk Extreme Pro 1TB SD vs Seagate Expansion 4TB: Which to Buy?