The BFE-503-2U is manufactured by Ades Corporation, and is a butterfly PICMG 1.3 bus backplane with a height of 2U. The unit is integrated with 3 x PCI, 1 x full-size PICMG 1.3 CPU slot, and 1 x PCIe x16. It also features 7 x power LED indicators, and utilizes a 24-pin ATX-type power connector.