Rosewill R2-JBOD Aluminum 3.5" USB 2.0 DUAL-BAY External Enclosure

OS Support:
USB Supports Win 2000/ME/XP/VISTA, and Mac OS 9.x/10.x and above, Linux kernel after 2.4.1.0

Support Mode: JBOD/BIG
JBOD: It enables each hard drive to be seen separately as single drive. (Showing 2 HDD capacities)
BIG: A popular method for combining multiple physical disk drives into a single virtual one