The RB260GS is a small SOHO switch. It has five Gigabit Ethernet ports and one SFP cage powered by an Atheros Switch Chip.
It is powered by an operating system designed specifically for MikroTik Switch products - SwOS.
SwOS is configurable from your web browser. It gives you all the basic functionality for a managed switch, plus more: Allows to manage port-to-port forwarding, apply MAC filter, configure VLANs, mirror traffic, apply bandwidth limitation and even adjust some MAC and IP header fields.

RB260GS

CPU: Taifatech TF470
Memory: Embedded 96K SRAM
Ethernet: Five 10/100/1000 Ethernet ports, Atheros switch AR8327
One fixed Gigabit Ethernet SFP cage (Mini-GBIC; SFP module not
included)
Extras: Hardware watchdog
Power consumption: Up to 6W
Operating Temperature: -25C .. +65C
Dimensions: 113x138x29mm
Weight: 212g