The SAT2510U2F External Hard Drive Enclosure supports both USB 2.0 and FireWire 400 (IEEE1394a) host connections, providing the compatibility needed to create a convenient and versatile external SATA storage solution for desktop computers as well as MacBooks® and Windows® based laptops. Large capacity drives (tested with up to 1TB) can be used to greatly enhance your computer"s storage/backup capabilities. The USB/FireWire enclosure features a slim, lightweight aluminum design and includes a 6-pin FireWire cable simplifying the option to connect through IEEE 1394a, as well as a USB to Power adapter and USB 2.0 Y-cable which can be used to ensure sufficient power delivery for higher capacity/higher power consumption hard drives (HDD) or solid state drives (SSD).