HP Chassis Security Kit (AR639AA)
Chassis Security module enhances physical security of HP dc5700/5750, dc5800/5850 and dc7800/7900 (CMT and SFF) among other PC's. Blank optical bay security is enhanced, so computer components (memory, hard drive) cannot be removed from the chassis through an open front black optical bay. User can lock computer power supply so components cannot be disabled. User can lock computer front bezel to help prevent removal/breakage, so computer components cannot be removed.