HP ProOne 906209-001-MBD 400 G3 AIO Socket 1151/H4 DDR4 All-in-One Motherboard

The HP ProOne 400 G3 906209‑001‑MBD motherboard is a custom internal board designed for the HP ProOne 400 G3 all-in-one (AiO) PC. Built around an LGA 1151 (Socket H4) platform, it supports Intel 6th‑ and 7th‑generation Core processors paired with DDR4 SO‑DIMM memory, delivering efficient multitasking and smooth desktop performance. This motherboard integrates essential I/O for an AiO form factor, including display output, USB ports, network connections, and storage interfaces. The board is engineered for compactness and thermal efficiency, tailored to fit within the slim chassis of the 20-inch ProOne AiO without sacrificing reliability or connectivity. Manufactured to OEM standards, it offers robust system stability and serviceability, making it ideal for business environments, education, and other professional use cases where space-saving and integrated design matter.