Provides fast data access, creates portable storage and simplifies hard-disk drive backups and exchanges ; Dual insertion slots accept 2.5 in. SATA hard-disk drives up to 6 TB ; Quickly copies/transfers data to and from drives ; Supports RAID 0 (striping) and RAID 1 (mirror) over USB and eSATA ; Data transfer rate up to 500 MB per second ; Compatible with Windows(R) 2000/2003/XP/Vista/7/8/10, Mac(R) OS(R) 10.5 or above, Android(TM) OS 4.0 or above ; Bus powered–no external power required ; Plug and play and hot swappable capabilities;