Test Report

EXTERNAL SSDs in speed comparison

SanDisk is one of the largest manufacturers of external storage devices and is now launching models with USB4 technology. This provides significantly more speed.

Logo of tester Computer Bild
TesterComputer Bild
Edition08/2025

3 Products in test

196/100
SanDisk Extreme PRO UHS-I V30 (256 GB, SDXC, U3, UHS-I)
Memory card
CHF40.– CHF0.16/1GB

SanDisk Extreme PRO UHS-I V30

256 GB, SDXC, U3, UHS-I

294/100
SanDisk Extreme PRO with USB4 (2000 GB)
External SSD
CHF269.– CHF134.50/1TB

SanDisk Extreme PRO with USB4

2000 GB

389/100
SanDisk Extreme UHS-I V30 (128 GB, microSDXC, U3, UHS-I)
Memory card
Quantity discount
CHF13.10 per piece for 2 units CHF0.10/1GB

SanDisk Extreme UHS-I V30

128 GB, microSDXC, U3, UHS-I