An apparatus including first and second memory devices, wherein each memory device includes data storage, a controller for controlling data transfer to and from the data storage, and a plug with contacts for connecting with the power, ground, and data contacts of an independent port of a host system. Additionally, the first and second memory devices are interconnected to share power and communicate data directly between the first and second memory devices. The memory devices may be any type of external memory device, such as a flash drive, or a peripheral device having a high data transfer rate, such as a digital video camera.