Rdx drive media types rdx320 rdx500 rdx1000 rdx1500 rdx2000 bus usb 30 design internal encryption keine compression 21 min power consumption 66 w external file systems ntfs fat32 exfat ext2 ext3 ext4 hfs mtbf 550 000 hours permitted humidity when in use 20 80 rate of humidity not in use 8 90 allowed temperature in use 10 40 permissible temperature not in use 40 65 form factor 525 inch width 146 mm height 41 mm depth 1