Acasis USB 3.0 2Bay Raid External Hard Drive Enclosure for 2.5/3.5" SATA HDD SSD
Easily switch between4 RAID modes via the physical selector RAID Modes: RAID 0, RAID 1, PM (Spanning), Independent. RAID 0: For maximum speed and capacity (combined storage). RAID 1: For maximum security (automatic data mirroring).