Graphics Card Holder: Support EATX 305 x 330MM motherboards/Support ATX 305 x 245MM motherboards/Support MICRO ATX motherboards within 245 x 245/Support ITX 170 x 170MM motherboards. | EATX Thicken Edition Chassis: Wide body heat dissipation design, greatly increase the distance between the graphics cards, ensure good heat dissipation effect, easy installation and maintenance. | Reasonable and Orderly Layout: Keep your motherboard extra cool with this opening design. Plenty of room between cards allow airflow. Keep all cables clean and organized, along with everything in your mining machine. | Black Steel Plate: Strong and durable, full protection of graphics cards and electronic devices, can be firmly superimposed. | Service: If you have any suggestions and after-sales questions during purchase, you can contact us at any time. We have a professional customer service team to solve problems for you 24 hours a day.