This Advance Dual Easy Docking station is designed to hold 2.5″ SATA hard drives (max. 1 TB) and 3.5″ SATA hard drives (max. 3 TB). The One Touch button lets you save and update files in a jiffy. Meanwhile the Advance Dual Easy Docking station’s USB 3.0 port offers transfer speeds up to 5 times faster than the USB 2.0 standard.Compatible with PC and Mac.