Features: 1.Sturdy Durable: The open computer case is sturdy and durable, fully protects the graphics card and electronic equipment, and can be stacked firmly. 2.Good Heat Dissipation Effect: The widely body heat dissipation design greatly increases the distance between the graphics cards to ensure a good heat dissipation effect. 3.Open Design: Through this open design, the motherboard is cooler. Sufficient space is reserved between the graphics cards. 4.Scope of Application: Support motherboards (ATX, M?ATX, ITX) within 305x245mm, keep all cables clean and orderly, and all items in the miner. 5.High Quality Materials: Made of high quality SECC, the open chassis has the best craftsmanship, sturdiness, durability, and long service life. specification:Item Type: Open Chassis Material: SECC Model: for MK 01 Color: Black Function: Computer Case Scope of Application: Support Motherboards within 305x245mm (ATX, M?ATX, ITX) Support Power Supply: Standard ATX Power Supply Size: Approx. 150mm / 5.9in, Approx. 86mm / 3.4in, Approx. 140-250mm / 5.5-9.8in Support: 1 SSD, 1 HDD PackageList:1 x Bottom Plate 1 x Backplane 2 x Fixed Plate 1 x Screw Pack 1 x Boot Line NotePlease note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.