Feature: 1. MULTIFUNCTION: DIY gaming computer case supports EATX, ATX, MATX, ITX motherboards, X79/X99 single and dual channel motherboards, up to 330X330MM motherboards, 360 water cooling, 4 hard drive bays, and full height graphics cards. 2. POWERFUL COOLING: Support 1 12CM fan or 120 water cooling at the back; support 3 12CM fans or 1 240 or 1 360 water cooling at the front. 3. FLEXIBLE HARD DISK: DIY computer open chassis rack supports 4 hard disk bays HDDx2+SSDx2 to meet different storage needs. 4. BACKPLANE CABLE HOLES: Gaming PC case open frame with cable holes, support for backplane cable routing, the whole machine is more neat and tidy. 5. LARGE SPACE EXPANSION: EATX motherboard case frame can stand or lie down and be stacked for different scenarios, up to ten layers. Specification: Item Type: ATX Open Chassis Case Rack Material: Steel Plate Supported Graphics Cards: Full Height Graphics Cards Support Motherboards: Support EATX, ATX, MATX, ITX Motherboards, X79/X99 Single and Dual Channel Motherboards, Maximum Support for 330 x 330mm / 13.0 x 13.0in Motherboards. Support Power Supply: ATX Power Supply Hard Disk Space: HDDx2+SSDx2 After Installation Size: Approx. 435 x 340 x 195mm / 17.13 x 13.39 x 7.68in. Package List: 1 x Base Plate2 x Left and Right Fixing Bracket2 x Front and Rear Mounts1 x Graphics Card Mount1 x Power On Cable1 x Hex Wrench1 x Power Supply Fixing Piece2 x Accessory Screw Pack