Product Features:Supports all 2.5 and 3.5 SATA HDSupports hot swapSkillful patent mechanics to unload the HD Support USB2.0&MAC OSSimple design for HD, efficient heat dissipationProduct Specifications:Interface: USB2.0 & eSATATransfer: 480Mbps USB2.0; 3.0Gbps eSATAMaterial: ABS/MetalPower: DC 12V/2A