DESC: Changeable modularized back panel is suitable for ISA, PCI, PICMG, AT or ATX. Industrial grade power supply, single AT or ATX or N+1 redundant hot swappable. Two sets of RAID solutions available for both vertical and horizontal 5.25" open bays. More open bays available then among other brands (total 12 bays). Shockproof mount design better protects your system. Special design with only 3 screws on the lid. Three 12 cm intake fans in the middle portion. Front door covers the entire front panel. Switch key lock ensures both security and convenience. Specially designed handle allows for easy lifting.