Rosewill viper z atx mid tower gaming case specifications model name viper z type atx mid tower color black case material spcc steel motherboard compatibility atx micro atx mini itx dimensions w x h x d 814 x 2091 x 2067 weight 2050 lbs expansion external 525 drive bays 3 2 external 35 drive bays 0 1 internal 35 drive bays 7 0 internal 25 drive bays 0 7 expansion slots 8 1 front ports front ports 2 x usb 30 2 x usb 2