Flaw notes: Box opened to verify parts. The Dual 3.5in SATA II HDD Enclosure USB 2.0 Built-In Cooling ADA-3541S is a sleek and reliable enclosure designed to house two 3.5-inch SATA II hard drives. It features a built-in cooling system, ensuring optimal performance and durability. With a compact design and a sturdy aluminum and plastic construction, this enclosure is both functional and stylish, fitting seamlessly into any workstation. The enclosure is compatible with USB 2.0 interface and comes with a 1-year manufacturer warranty, making it a dependable choice for storing and accessing your data.