Features : Size: 483x44.5x135mm ( 19 inch 1U Rack Mount Compatible ) With 13 horizontally mounted USB 3.1 Gen I (5Gbps ) ports Transfers your data at up to 5Gbps Installs easily with Plug-and-Play convenience Works seamlessly with all your USB 1.1, USB 2.0 and USB 3.0 , and USB 3.1 Gen I devices 1U server cabinet mounting design, best for Server and IOT applications Supports hot swapping of all your USB devices Power status LED Over-current protection Full approved Eup Compliant 5V 4A AC/DC adapter Speci?cations: Compliant to USB 3.1 Gen I spe?cations Compatible with USB 1.1 ,USB 2.0 and USB 3.0 devices USB speci?cation 3.0 for data rates up to 5Gbps Backward-compatible support for USB 1.1 and USB 2.0 Compatible with all Windows, Windows Server OS, Linux, Mac OS Package Includes: 1 x 13 Port 1U USB 3.0 Hub 1 x Switching type Power Adapter ( 5V 4A) 1 x User Manual 2 x Server Mounting Screws