Single Mini-PCI Single POE ethernet Board. CPU: Atheros AR7130 300MHz network processor Memory: 32MB DDR sDRAM onboard memory Boot Loader: RouterBOOT Data Storage: 64MB onboard NAND memory Chip Ethernet: One 10/100 Mbit/s miniPCI: One MiniPCI Type IIIA/IIIB slot Serial port: One DB9 RS232C LEDs: Power, NAND activity, 5 user LEDs Power options: Power over Ethernet: 12..28V DC Power Jack: 12..28V DC Dimensions: 10.5 cm x 10.5 cm (4.13 in x 4.13 in) Weight: 82 g (2.9 oz) Power Consumption: ~3W without extension cards, maximum - 12W Operating System: Mikrotik RouterOS v3, Level3 License