he MikroTik RB4011 is a powerful 1U rack-mount router with 10 Gigabit Ethernet ports, a 10 Gb SFP+ cage, and a quad-core 1.4 GHz ARM Cortex-A15 CPU paired with 1 GB of RAM. It supports passive PoE input on port 1 and can also output passive PoE on port 10 (up to 57 V).