The RB450G is a five port Gigabit Ethernet router. Comparing to the RB450, the RB450G not only adds Gigabit speed capability, but also 256Mb of RAM, a storage. The device is powered by a fast AR7161 680MHz Atheros CPU, and also includes a temperature sensor and voltage monitor. RB450 includes RouterOS – the operating system, which will turn this powerful system into a highly sophisticated router, One small device – with all the power of RouterOS. At a very special price.