The HP ProBook X360 440 G1 motherboard features an Intel Core i7-8550U CPU with DDR4 memory slots compatible with M.2 expansion slots. It comes with various input/output ports including HDMI, Ethernet, USB 3.0, and USB 2.0, making it suitable for casual computing tasks. The motherboard also includes on-board audio and video chipset features, along with a proprietary form factor for easy integration into specific HP devices. With a focus on performance and versatility, this motherboard is a reliable choice for users looking to upgrade or replace their current computer components.