They are small, robust and fast: SSD hard drives offer additional storage space for documents, photos and other data. We had 40 external SSD hard drives tested. 27 were awarded the test quality rating of Good. But it's worth taking a look at the details: We discovered significant differences in price and maximum achievable speed...

In the 500 GB SSD category, the Asus ROG Strix Arion S (for 145 euros) came out on top. Not quite as fast, but also not as expensive and thus the price-performance winner is the Intenso Portable SSD Professional (80 euros). Among the SSDs with 1000GB, the WD My Passport SSD came out on top in a top trio with very high speed...