Iomega Zip drive, external, 250mb capacity. Connects to USB port, woks with PC or MAC. Reads & writes 100mb & 250mb Zip disks. Factory remanufactured unit in sealed box with software. Did not come with any disks in the box, but I will include 3 100mb disks with the deal. A bargain at $75.00 includes shipping in CONUS. All reasonable trades and offers considered.