The Iomega StorCenter Network Attached Storage ix4-200d Enclosure Only is a 3.5-inch desktop external HDD in black color. It is compatible with various devices such as iPhones, laptops, PCs, iOS, Macs, and Android. This NAS device offers multiple interfaces including SATA III, USB, Ethernet, and Gigabit Ethernet, providing versatile connectivity options for users looking to expand their storage capabilities. Tested and confirmed to work, this Iomega StorCenter is a reliable and efficient solution for users in need of a network attached storage device.