1. Compatible with 12 "* 9.6" ATX motherboards 2. It can install four pieces of 3.5 inch hard disks. 3. Color: Front is black, the other is steel color. 4. High strength adhesion, high strength of material. 5. Super 1.2 mm/SGCC refined, stable structure, exquisite craft. 6. Excellent thermal solutions for the superior heat DP motherboard solutions, excellent internal air duct design. 7. Using EMI design to prevent electromagnetic radiation interference. 8. Applied to the Internet server(website/E-mail/firewall/VPN/Storage), Network game servers (dB/Game/Gate/Log-in/Web/SQL), high-tech server farms NAS and SAN.