cooler master 4 in 3 hdd module device - stb-3t4-e3-gp
product features case and hard drives not included convert the three 5.25 drive bays into a four 3.5 hdd module with 12cm sleeve bearing cooling fan compatible with atx case with three 5.25 drive bays ideal for cm stacker series and other cases product specifications model stb-3t4-e3-gp dimension w 153 x h 129 x d 184 mm material body aluminum bezel abs cooling system one 120x120x25 mm blue led fan 1200 rpm 22 dba application cosmos cm stacker 83x centurion 534 cm690