PLINKUSA RACKBUY 3U(5.25"+3x3.5 HD Bay)(ATX/Micro-ATX/Mini ITX)(11.81" Deep)(Front/Rear) Rackmount Wallmount Chassis(NO Power Supply, No Rail,No System and Case Only) IPC-3013S 3U (1 x 5.25" + 3 x 3.5" HDD Bay) Rackmount / Wallmount Chassis (11.81" Deep) (ATX / Micro-ATX / Mini ITX) (Front / Rear) Server Case Support Standard ATX PS2 / PS3 size PSU Power Supply, Rail Set and CPU System on the pictures does not included