Descriptions: Dual-bay/Single-bay hard drive docking station.This docking station compatible with 2.5 inch or 3.5 inch HDD/SSD up to 20TB per bay, provide a more convenient way of transmitting data between your hard drive and computer through an available USB port. Superspeed USB 3.0 and SATA III Data transfer rate can reach up to 5Gbps, 20% faster than traditional USB 3.0 with UASP Transfer Protocol; UASP functionality requires UASP capable host controller and operating system. Attention: 2.5/3.5 inch HDD/SSD is not included! Dual-bay: Product Specification: Interface: Micro-B port Function: Inline Read/Write/Offline Copy Applicable Hard Disk: SATAIII - 2.5/3.5-inch Mechanical/Solid State Drives Transfer Speed: 5Gbps Supported Capacity: 40TB (Max) Supported Systems: Windows/Mac/Linux/Android Input Power: DC 12V/3A (cable length 1.2m) (3C power supply) Power supply specifications: European gauge, U.S. gauge Product color: white Product material: ABS Data cable: USB-A-MicroB (cable length 1m) Product size: 118*115*89mm Package size: 150*145*125mm Single-bay: Product Specification: Interface: Micro-B port Function: Inline read and write Applicable hard disk: SATAIII - 2.5/3.5-inch mechanical / solid state drives Transfer speed: 5Gbps Supported Capacity: 20TB (Max) Supported Systems: Windows/Mac/Linux/Android Input Power: DC 12V/3A (cable length 1.2m) (3C power supply) Power supply specifications: European gauge, U.S. gauge Product Color: Gray Product material: aluminum alloy Data cable: USB-A-MicroB (cable length 1m) Product size: 125*70*75mm Package Size: 158*135*82mm Package includes: 1x Hard Drive Station(Hard disk not included） 1x USB-A-MicroB Cable 1x Power Cable 1x Manual 1x Packing Box