Manual:CRS1xx/2xx series switches examples - MikroTik Wiki
Mikrotik 2116 as switch - MikroTik
Switch your RouterBoard
CRS504-4XQ-IN, MikroTik Cloud Router Switch 504-4XQ-IN with QCA9531 650 MHz CPU, 16 x 25G port 98DX4310 switch chip, 64 MB RAM, 4 x 100G QSFP28 ports, 1 x 100Mbit Eth port for