D-313SE-MATX-B124 is a reliable and stable 3U-high 15" depth industrial computer chassis. The full size I/O supports all microATX motherboard with a Dual-core/ Quad-Core processors and the backplane supports 4 full-height add-on cards. This chassis is only 15? deep and has optional 120mm and 80mm cooling fans at front and two 60mm fans at rear for air ventilation. In addition, D-313SE-MATX-B124 supports a standard PS2 power supply to meet regular server system applications.