Features: brand new and high quality With high-quality acrylic sheets as motherboard base, so it is anti-static and electric isolation. Stable and professional open-air mining frame for case, stackable, convenient and so practical for daily use. It has a great cooling effect for heat dissipation, and greatly increases the distance between the graphics cards, provides you great for protection of GPUs and other electronic components. Provide enough space between the GPUs, help to make it low noise and super quiet. Suit for multiple display cards 8x/12x (not included), for 2 Atx power supplies(not included), for Atx/M-Atx Motherboard(not included), for 2x 3.5'' HDD or 2x 2.5'' SSD(not included). Specifications: Item Name: Open Air Mining Rig Frame Material: Aluminum Alloy, Acrylic Color: Silver Type : 12 GPU Compatible Motherboard: For Micro ATX, for ITX, for E-ATX, for ATX Note: There might be 1-3 for cm error of size for manual measurement. The colors deviation might differ due to different monitor settings, please kindly understand. Package includes: 1 x Aluminum Alloy Frame 1 x Cupric Stud Bag for Motherboard 5 x 120MM Fan Rill 1 x Power Switch Line 2 x Connector for Stacking 1 x Acrylic Isolation scrip for Graphics Card