EDIT:
Routerboard - RB1100AHx2
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.
CPU - PowerPC P2020 dual core 1066MHz network CPU with IPsec accelerator
Memory - SODIMM DDR Slot, 2GB installed (RouterOS will use only up to 1.5GB)
Boot loader - RouterBOOT, 1Mbit Flash chip
Data storage - Onboard NAND memory chip, one microSD card slot
Ethernet - Thirteen 10/100/1000 Mbit/s Gigabit Ethernet with Auto-MDI/X
Ethernet - Includes switch to enable Ethernet bypass mode in two ports miniPCI none
Serial Port - One DB9 RS232C asynchronous serial port
Extras - Reset switch, beeper, voltage and temperature sensors
Power Options - Built-in power supply (IEC C14 standard connector 110/220V), PoE (12- 24V on port 13)
Fan - Built in fans, and Fan headers
Dimensions - 1U case: 44 x 176 x 442 mm, 1275g. Board only: 365g
Operating System - MikroTik RouterOS, Level 6 license