The injectors are bulky, require more Ethernet cables for use, and each takes up a power socket. Plus, they're not easily monitored or managed, and the switch can reboot PoE devices from its ...

Power over Ethernet is one such facility, and as you may have already guessed from the name, it lets you supply power to a handful of devices over an Ethernet cable.

(Image credit: Asus) That said, it's worth remembering that one still has to use a 12VHPWR cable, or multiple 8-pin PCIe cables, between the BTF motherboard and the power supply unit.