Maximum PC: Put the kids to bed because Eurocom's M4 just might scare the children. Based on the specs, it certainly should scare any Ultrabooks that happen to wander by. According to Eurocom, the M4 is the world's most powerful ultraportable, a claim it makes based on its combination of up to an Intel Core i7 4940XM Extreme processor and Nvidia GeForce GTX 860M (Maxwell) graphics.
