Add this Targus ACH114US 4-port Compact USB Hub to your system to use more USB devices with your computer. Charge a smartphone, connect a flash drive or external drive with this 4-port USB Hub. 4 Port Hub. The Targus 4-Port Hub is a convenient and compact way to use more USB ports than your computer has available. The hub is USB powered so there is no need to always plug into an AC adapter, giving you the ability to connect up to four electronic devices to your laptop all at once. Charge your phone or MP3 player and access your external hard drive from one hub.