Integrated, and assembled in the United States, Rocpro™ 900a drive satisfies the requirements of demanding audio and video professionals. Rocpro 900a drives are built on quality and can support a Solid State Drive "SSD" or a fast SATA high-capacity 3.5" hard drive. It has a unique stylish and ruggedized design that will complement any desktop. It features a recycled aluminum case that can be conveniently stacked for future storage expansion. It features a fan-less and quiet operation with an exceptional reliability. The Rocpro is compatible with both Windows® and Macintosh® environments without any software installations. Rocstor Rocpro™ 900a is an ideal drive which lets you store your files in a centralized place next to your computer. It is easy and simple to set up and is ideal for expanding your data storage needs. Offering (2) Firewire® 800, USB 3.0, and eSata built-in Interface ports will significantly improves file transfer performance for large media files and dramatically minimizes the wait time for backup. It provides you an ease of mind when it comes with multiple host computer variety of interfaces. Rocpro 900a is backwards compatible with Firewire ® 400 and USB 2.0 devices. Rocpro 900a Desktop Hard Drives are preformatted ExFat. This format works with both Windows® PC and Mac® computers which allows you to store and access files from the PC and Mac® without reformatting.