FireWire Depot has introduced the Diskology Disk Jockey FireWire/USB2 device, an inexpensive new hard disk copy and diagnostic tool that allows users to copy data between IDE hard disk drives at high-speed while maintaining all of the attributes of the original hard disk, including hidden folders, multiple partitions and operating system files. In addition to the high-speed data copies, the utility also mirrors data between two hard disk drives, spans two hard disks to look like one logical volume to the computer, tests hard disk drives at the block level and verifies data that has been copied between drives is intact, mount hard disk drives to the desktop of a Windows or Mac computer to be used as standard desktop storage, and erase hard disk drives securely using either a one-pass or three-pass erase per the National Security Administration (NSA) guidelines. The Disk Jockey carries a suggested retail price of US$349.