For use with 6.35cm (2,5") / 8.89cm (3,5") SATA hard disk / SSD. HDD size unlimited. Easy installation by plug & play. Screwless and carrierfree design for easy and fast HDD exchange. One Touch backup function. Double USB 2.0 HUB for pen drives, external hard disks or Digi-Cams. Multiformat card reader for SD- / SDHC- / MMC- / M2- / TF- / MS- / MS Duo-cards. Rugged design and metal added baseplate for high stability.