"The GMC K2 Case is perfect for an HTPC setup. It fits two 5.25" drives, four HDDs, there's one 140mm and one 120mm fan. Additionally it has a VDF, LED and AV center at the front. It even comed with a fully featured remote control. The GMC R2 & R3 cases are for a difference use. Since they are so small they would be perfect for a confined workspace. Even though they are tiny they still fit a standard ATX motherboard and PSU. There's even space for two HDDs and one ODD. Watch the video to find out more..." ~http://www.3dGameMan.com