Disk Format: Compatible with 3.5" floppy disk, for access to old data or archives. Interface: USB for compatibility with modern systems and IDE/PATA/EIDE for connection to desktop computers with IDE ports. Product type: Refurbished, tested to ensure proper operation. Compatibility: Supports old systems with IDE ports, as well as modern computers thanks to the USB port. Colour: Grey to match the design of desktop computers. Manufacturer Part Numbers: 76H4091, 06P5226, easy to identify the product.