A hand-held battery powered data transfer and repository device for transferring data between one or more flash memory modules and a large capacity digital storage device, which may be either external or internal to the device. The device includes one or more slots to accept a flash memory module into a housing which includes processing and logic circuitry disposed within the housing for transferring data between the flash memory module and the large capacity digital storage device. Ports are disclosed for transferring data between the repository and data transfer device to a host device, which may be a wide range of digital appliances including a digital computer, a digital camera, a camcorder or a personal digital assistant.