Product code: CRS109-8G-1S-2HnD-IN | SFP DDMI: yes | CPU nominal frequency: 600 MHz | Size of RAM: 128 MB | 10/100/1000 Ethernet ports: 8 | Wireless chip model: AR9344 | 802.3af support: yes | Supported input voltage: 8 V – 57 V | Voltage Monitor: Yes | Operating System: RouterOS | Serial port: RJ45 | Storage size: 128 MB | SFP ports: 1 | USB slot type: microUSB type AB