Feature: 1. MULTIFUNCTION: DIY open chassis frame supports ATX motherboards, 360 water cooling, 2 hard disk drive bays, and up to 256MM graphics cards. 2. POWERFUL COOLING: Computer open case bracket supports 3 x 12CM fans or 360 water coolers to ensure low temperature operation inside the chassis. 3. FLEXIBLE HARD DISK: Computer case frame chassis rack supports 2 hard disk bays HDDx2 or SSDx2 or SSD and HDD to meet different storage needs. 4. LARGE SPACE EXPANSION: DIY open chassis frame supports full height graphics card up to 256MM, suitable for various ATX, M ATX, ITX motherboards. 5. SIMPLE OPERATION: Press bounce to turn on the computer, long press to turn off the computer, easy and fast operation. Specification: Item Type: DIY Computer Motherboard Case Rack Material: Steel Plate Number of Supported Graphics Cards: Full Height Graphics Cards Supported Motherboards: Support All ATX, M ATX, ITX Motherboards Support Power Supply: ATX Power Supply Hard Disk Space: 2 After Installation Size: Approx. 402 x 257 x 182mm / 15.83 x 10.12 x 7.17in. Package List: 1 x Base Plate1 x Fan Stand1 x Hard Disk Shelf1 x Handle2 x Screw1 x Hex Screwdriver1 x Power On Cable1 x Instruction Manual2 x Power Supply Bracket1 x Graphics Card Bracket3 x Strap4 x Foot Pad1 x Accessory Screw Pack