NZXT Beta Evo Classic Series ATX Mid Tower steel chassis CS-NT-BETA-EVO (Black) Support for up to 6 120mm fans with the option of dual 140mm at the top Superior wire management with bottom mounted :: PSU and CPU punchout for heat sink removable 180 degree Turned HDD for a cleaner internal finish and better wire management Fits large 10.5Inch performance graphic cards Up to 4 external 5.25Inch drives and 5 internal 3.5Inch HDD racks