MikroTik 5-Port Desktop Switch, 1 Gigabit Ethernet Port, 4 SFP+ 10Gbps Ports (CRS305-1G-4S+IN)

The CRS305 is a compact yet very powerful switch, featuring four SFP+ ports, for up to 10 Gbit per port
The device has a 1 Gbit copper ethernet port for management access and two DC jacks for power redundancy, plus it' s very sleek and compact metallic case without any fans, for silent operation
It has a Dual boot feature that allows you to choose between two operating systems - RouterOS or SwOS. If you prefer to have a simplified operating system with only switch specific features, use SwOS
If you would like the ability to use routing and other Layer 3 features in your CRS, use RouterOS. You can select the desired operating system from RouterOS, from SwOS or from the RouterBOOT loader settings
800 MHz CPU nominal frequency, 141 x 115 x 28 mm Dimensions, 512 MB RAM, 16 MB Storage size, 802.3 af/at PoE in