Full 1.5mm High Grade steel structure, Black powder coated Frame, Easy Stackable design, easy assembly and maintenance Capable to hold one Full Size ATX motherboards, and two Full Size SMPS Power Supply, Capable to Mount upto 2 SSD/HDD. Capable to hold upto 6 Full size GPU on PCI Risers and 1 Full size GPU on motherboard , Easy mounting of graphic card PCI slots on the frame, Build with 12X 92mm 4000RPM High speed fan for inline ventilation of each GPU, LWH 77X38X30 CM Larger Frame minimize heating issues and flow more air between the modules We are dispatching product in Semi Assembled condition, user manual, all screws and all assembly tools are included with the product.