FEATURES: This device is our best performance 1U rackmount Gigabit Ethernet router. With a dual core CPU, it can reach up to a million packets per second . It has thirteen individual gigabit Ethernet ports, two 5-port switch groups, and includes Ethernet bypass capability. 2GB of SODIMM RAM are included, there is one microSD card slot, a beeper and a serial port. The RB1100AH comes preinstalled in a 1U aluminium rackmount case, assembled and ready to deploy.