StarTech.coms ATXCASEMID is a value-added, full-feature solution designed to help system builders and end-users troubleshoot, maintain and upgrade systems easily. The cases covering is easily removed and replaced thanks to 6 heavy-duty thumbscrews that hold it securely in place. And speaking of upgrading and system-building, the ATXCASEMID features 8 drive bays that provide ample opportunity for future plans of DVD-ROM, CD-RW, or any configuration of drives you can think of.