Comment by adrian_b

In a server, you have to worry about the ME only if you also have an Intel Ethernet interface, which is connected to a potentially hostile network.

If that is not true, the ME cannot be controlled remotely.

The existence of the ME is much more worrisome in laptops, where the ME can be accessed remotely through WiFi. There, to be certain that there is no way for the ME to be accessed remotely you would have to disconnect or cut the internal antennas and use a USB dongle for WiFi.