Pegasos was sold by Genesi USA, Inc., and designed by their research and design partner bplan GmbH based in Frankfurt, Germany. It is a MicroATX motherboard powered by a PowerPC 750CXe or PowerPC 7447 microprocessor, featuring three PCI slots, one AGP slot, two Ethernet ports, USB, DDR, AC'97 sound, and FireWire. Like the PowerPC Macintosh counterparts, it boots via Open Firmware.