H.D.D. Support: 2.5" SATA Interface: SATA to USB 2.0 Color: Black Dimension: 3" W x 5" L x 1/2" H Weight: 0.40lbs USB 2.0 Transfer Speed: 480 Mbps Support OS: Win 2000/ME/XP/Vista/7/8                   Mac OS 10X or Higher