Raidmax Viper Steel & Plastic ATX Mid Tower Computer Case The awesome new Viper mid-tower case from Raidmax stands out from the crowd with tricky appearance and cold lines. Besides the preinstalled 120mm rear fan, this case also supports several optional fans to make voluminous air flow possible to prolong the life of your valuable PC components. Streamline design, bold color combination, along with tool-less installation, excellent cable management and water cooling support, the Viper is definitely a trendy choice for power users. VIDEO