2x 2 5 sata hdd or ssd in 1x 3 5 bay easy swap tool less hdd or ssd installation and exchange hard disk capacity not limited support hdd height up to 9 5 mm sata host interface 3 0 gbits low noise fanless design led for power and hdd access supports hot swap supports all operating systems gross weight inc packing 0 45 kg dimension from article 102x25x133 mm