MikroTik 24 SFP Ports 4 SFP+ Ports 128Gbps 43W Switch L5MikroTik CRS328 4C 20S 4S+RM has twenty SFP ports, four SFP+ ports for 10G modules and four combo ports, where you can choose to use SFP or RJ45 ports from the combo group. These ports can also be software selected, so if you have plugged in all eight cables, you can use scripting, to decide which four combo ports will be active. The device comes in a 1U rack mount case with two 100 240 V power supplies with fail over functionality. A RJ45 console