Fangrui Product Details Atx Open Chassis: Material: High-quality 0.8mm Spcc Steel Plate, The Surface Is Baked With Black Sand Grain Paint; Number Of Graphics Cards Supported: According To The Motherboard, The Length And Width Of Graphics Cards Are Not Limited; Support Motherboard: Support Motherboards Within 305 X 245mm: Atx, Micro-atx, Itx; Support Power Supply: Standard Atx Power Supply, Reference Size 150mm X 86mm X (140-250)mm; Support 1 Ssd, 1 Hdd; Dimensions After Installation: 440 X 265 X 128mm Eatx Open Frame: Material: High-quality 0.8mm Spcc Steel Plate, The Surface Is Baked With Black Sand Grain Paint; Number Of Graphics Cards Supported: According To The Motherboard, The Length And Width Of Graphics Cards Are Not Limited; Support Motherboard: Support Motherboards Within 305 X 330mm: E-atx, Atx, Micro-atx, Itx; Support Power Supply: Standard Atx Power Supply, Reference Size 150mm X 86mm X (140-250)mm; Support 2 Ssds, 2 Hdds; Dimensions After Installation: 440 X 345 X 128mm Color: Black Material: Metal Package Content Easy To Clean And Maintain Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.