hp has essentially had 2 types of connector for about 10 years. The older 7.4 mm plug and the newer 4.7 mm plug. On the mentioned power supply I recognise the 4.7 mm plug, which is compatible with newer devices. The X360 series cannot have a 7.4 mm socket because of its flat design, so it has the 4.7 mm socket. The power supply unit should also be compatible with the X360 series due to its size.