D-416-B5SA is a reliable and stable 4U-high server chassis. The full size I/O supports all ATX motherboard with a Dual-core/ Quad-Core processors and the backplane supports 7 full-height add-on cards. This chassis has 21" in depth and equipped with three 80mm cooling fans in the center as standard and two 60mm fans at rear as option for air ventilation. In addition, D-416-B5SA supports a standard ATX PS2 power supply to meet regular server system applications.