The computer case is compatible with the following accessories (but does not include the following accessories): 17*17CM ITX motherboard. The length of the graphics card cannot exceed 305CM . SFX or SFX-L power supply uses SFX-L power supply, you must use custom line, custom line specifications: CPU is 8PIN, 30CM long, the rest is 23CM long. CPU cooler (height does not exceed 65MM) 9015 fan (length is 9CM, thickness is 1.5CM) Parameter: Chassis form: mini chassis. Material: Acrylic +1515 aluminum frame. Internal hard drive location: 2.5" X 2 Compatible motherboard: ITX (Mar: 17*17*cm) External output / input interface: USB3.0 X 1 PCI expansion slot: Support graphics card length can not exceed 305MM (reverse 180MM is the graphics card extension cable), remove the front aluminum material, support 320MM length graphics card, but the thickness can not exceed 45MM. cooling system: Fan position (8015/9015), top fan X2 (thickness is 15MM). Support 65MM heat sink (CPU surface to side panel). Size: 330*140*210mm。 Power: SFX/SFX-L Power(125*100*63.5/125*130*63.5)