A refrigerator appliance having Universal Serial Bus (USB) features is provided. In one aspect, a refrigerator appliance has a cabinet defining a chamber. At least two shelf mounting tracks are disposed within chamber. A shelf having a USB port is mountable to the shelf tracks. The shelf tracks each include at least two bus bars. One bus bar is charged with a power charge, one is charged with a ground charge, one is charged with a positive data charge, and one is charged with a negative data charge. When the shelf is mounted to the tracks, the bus bars are in electrical communication with the USB port of the shelf such that data transmissions can be routed between the USB port and a controller or some other processing device. In another aspect, a refrigerator appliance includes features for enabling USB data transmissions to a bin mounted in a door thereof.