Abstract: Cooling Device for Computer Hard Drive with a rectangular cooling tank, a coolant entrance pipe, a coolant exit pipe, one wall of the tank being constructed of highly heat conductive metal such as solid silver, a plurality of cooling highly heat conductive plates, the plates each having a ninety degree flange, each the flange attached to the highly conductive tank plate wall, a plurality of hard drives sandwiched between each cooling plate, a plurality of compression screws that cause the cooling plates to remain in intimate contact with said hard drive housing, and a plurality of rubber shock mounts, the top of which communicates with said compression screw, the bottom of which communicates with a mounting rail. A preferred embodiment includes wherein said highly conductive cooling plates are made of silver and have an oxidized surface that allows infrared rays to be absorbed by said plate.