Startech Usb 3.0 To Sata Hdd Duplicator Dock SATDOCK2REU3, 2 - Drive Connectors: SATA Data & Power Combo (7+15 pin), 1 - Host Connectors: USB Type-B (9 pin) USB 3.0, Interface: USB 3.0, Number of Drives: 2, Drive Size: 2.5in & 3.5in, Compatible Drive Types: SATA, Drive Installation: Removable, Chipset ID: Prolific - PL2775 The SATDOCK2REU3 USB3.0 Standalone Duplicator and Eraser Dock lets you connect your 2.5in/3.5in SATA HDDs or SSDs through SuperSpeed USB 3.0, with the ability to swap drives in and out as needed.