Customized tempered glass. Solid 1.0 mm metal chassis. Compatible with up to 420mm liquid cooling Vertical Display Graphics Card Holder option compatibility: Up to 3 front fans, 3 top fans, 2 fans on the power supply. 1 back fan, totaling 9 fan slots for superior thermal management. HD audio output for a premium, crystal-clear sound immersion. Power supply Supports ATX2.0/3.0 Power Supply. Motherboard EAT(277mm) / ATX / M-ATX / ITX. Max CPU cooler height UP to 180 mm. Max VGA card length Up to 420 mm VGA card. Fan port 3x120mm or 3x140mm, 3x120mm or 3x140mm Fan ports on the top, 1x120mm Fan port in the rear , 2x120mm Fan ports on the Power Supply Shroud