The ACP-1000MB is a reliable and stable 1U-high 3-slot 19" rackmount industrial computer chassis. This chassis can support up to two 64-bit PCI expansion slots and comes with a 200W ATX PFC power supply. In addition, four abundant cooling fans are included to form a front-to-rear air flow for outstanding ventilation. A front-access USB and PS/2 design has also been added to facilitate maintenance and access of the unit. Moreover, the ACP-1000 can accommodate various Pentium 4 CPU cards, making it the most powerful yet ultra compact 1U server.