Advanced Cooling System With standard holes for ATX motherboards, graphic cards, and hard disks, our Mining Rig Frame can accommodate up to three 12CM cooling fans. Maintain optimal temperature for efficient operate and long-lasting performance of your equipment, without compromising on its standard design. Thermal Control Our Mining Rig Frame maximizes heat dissipation with accelerating convection, ensuring prolonged graphics card life and top-notch mining performance. This mining case is built for performance and durability! With the ability to install three 12CM cooling fans, heat dissipation is a breeze! Supporting up to 28 mechanical hard disks, this mining case is perfect for all your mining needs. Installation is easy and sturdy construction ensures longevity. Specification: Product name: Mining Rig Frame 1: Product size: L435 * W340 * H298 Product use 0.8MM/1.5MM two kinds of full-thickness SPCC material outside the black sandblasted powder 2: Support ATX powered supply, support 300MM long powered supply, support 3080/3090 graphics card graphics card maximum support size: 340 * 165 * 66MM 3: Support EATX motherboard 305 * 330, 330 * 330MM support ATX, ATX, ITX motherboards 4: CPU cooler height 145MM 5: Front and rear can support three 12CM fans 6: Support up to 28 mechanical hard disk + 2 state drive fixed position 7: Stackable for different scenarios Portable mobile Packing List: 1 x Mining Rig Frame 1 x Fixed Mounting Screw Kit Note: Due to different lighting and screen settings, the item color may be slightly different from the picture. Due to different manual measurements, please allow a 1-2cm difference in size.