With the aid of the 4-port Internal USB 2.0 HUB you can easily create 4 extra USB connections on the front of your PC. The HUB can be built into either a 3.5" or a 5.25" bay, this will save space and avoid having unnecessary cables around your working area. You can use the 4 USB ports to connect all possible USB devices, such as a mouse, printer and scanner. If your PC has USB 2.0, this HUB will also have a guaranteed transfer rate of 480 Mbps. Officially certified by the international USB organisation. Including 1.8-metre USB 2.0 cable and PCI slot cover plate for installation. Including 5.25" bracket. USB 1.1 and 2.0 compatible. Internal 4-Port USB 2.0 HUB. Suitable for Windows 98/2000/ME/XP.