Mikrotik Routerboard 450G -  RB450G Mikrotik RouterBOARD 450G with 680MHz Atheros AR7161 CPU, 256MB RAM, 512MB NAND, 5 10/100/1000 ethernet ports, RouterOS L5 The RB450 is a five port Gigabit Ethernet router. The RB450G not only has Gigabit speeds, but also 256MB of RAM, a faster AR7161 Atheros CPU at 680Mhz and a microSD card slot for file storage. It also includes a temperature sensor and voltage monitor. The RB450G comes with RouterOS and a Level 5 license that can be upgraded for free to Level 5 through the included Winbox management utility. This device is perfect for running the MetaROUTER Virtualization system on because of the NAND/RAM and CPU combination in a small form factor. Perfect for embedded applications!