AMS DS-524SSBK 2.5 x4 SATA Backplane Module Mobile Rack Drives Support: Multi 2.5 Drives to 5.25 Bay Mobile Rack Interface: SATA I/II/III Specifications: 2.5 x4 SATA Backplane Module. SATA I/II/III & SSD compatible. Transfer speed up to 6Gbps (600MB/s). Fit into one 5.25 drive bay. Aluminum chassis. Color: Black