KINGWIN EZD-2537U3 2.5 & 3.5 SATA I/II/III USB 3.0 SuperSpeed USB 3.0 Dual-Bay SATA Drive Docking Station Material: Plastic Specifications: PC Interface: USB 3.0 / USB 2.0 (USB 1.1 not recommended) HDD Interface: 2.5�/3.5� SATA I/II/III Hard Disk Drive (HDD) or Solid-State Drive (SSD) Drive Installation: Top-Loading Bay (hot-swap and screw-less) Max. Transfer Rate: USB 3.0 (up to 5Gbps) SATA III (6Gbps) HDD Count Supported: Dual HDD Number of Bay: 2 Maximum Capacity (per Bay): Up to 4TB Operating Systems Supported: Windows 8/8.1, 7, Server 2008, Vista, Server 2003, XP, 2000 Mac OSX Mavericks (10.9), Mountain Lion (10.8), Lion (10.7), Snow Leopard (10.6), Leopard (10.5) Linux (Any Distro) Weight: 1.55