Kensington UH4000 4 Port USB 3. 0 Hub With the Kensington UH4000 4-port USB 3. 0 Hub you ll be able to expand the number of devices you can connect to your desktop or laptop computer. Features Compatible with PC & Mac Transfer rate: Up to 5 Gbps 4 x USB 3. 0 Ports Easy to use Colour: Black It s a great accessory if you find you need to add extra hard drives while using peripherals like graphics tablets, controller keyboards and other USB devices, but don t have enough USB ports on your computer. Thanks to USB 3. 0 technology, the Kensington UH4000 USB Hub can offer transfer speeds up to 5 Gbps, allowing for data transfers up to ten times the rate of USB 2. 0.