This product is either discontinued or we cannot get that from suppliers.
Ubiquiti USG-AU, Max. Power Consumption 7W, Power Supply 12VDC, 1A Power Adapter (Included), Power Input 9 to 24VDC, Supported Voltage Range, Interface RJ45 Serial Port, 10/100/1000 Ethernet Ports, Dual-Core 500 MHz, MIPS64 with Hardware Acceleration for Packet Processing, Memory 512 MB DDR2 RAM, Flash Storage 2GB, Wall-Mountable.
The Ubiquiti UniFi Security Gateway USG extends the UniFi Enterprise System to encompass routing and security for your network. It combines advanced security features with high performance.