I'm going out of town starting Friday, so I'm lowering the price if I can ship it by then. 2.5-inch aluminum external HDD case, USB 3.0 compatible, offering 4TB of storage capacity. - Storage Capacity: 4TB - Connection Interface: USB 3.0 - Size: 2.5 inch - Material: Aluminum - Compatibility: 2.5-inch SATA hard drives and SSDs - Features: Driver-free, plug and play, high speed - Supported OS: Windows 98/SE/ME/2000/XP/Vista/7/8/10/Mac OS 8.6 or later Thank you for looking.