Rdx drive media types rdx320 rdx500 rdx1000 rdx1500 rdx2000 rdx bus sata iii design internal encryption aes 256 bit data transfer rate 45 mbs access time 01 s compression 21 max power consumption 66 w external file systems ntfs fat32 exfat ext2 ext3 hfs ext4 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 fo