Form Factor: This is a custom HP shape. It will not fit into standard aftermarket ATX or Micro-ATX cases without significant modification.
Ethernet: Integrated Realtek RTL8111G GbE Network Connection Rear I/O Ports hp 18e7 motherboard specs top
The HP 18E7 motherboard is a proprietary system board commonly found in the HP ProDesk 400 G1 Small Form Factor (SFF) and Microtower (MT) series. Designed for business environments, this motherboard prioritizes stability and essential connectivity over overclocking or gaming features. Core Architecture and CPU Support Form Factor: This is a custom HP shape
M.2 Slots: None (standard for this era; requires a SATA SSD) Integrated Graphics and Audio Designed for business environments
The rear panel focuses on legacy support and standard peripheral connectivity. USB Ports: 2 x USB 3.0, 4 x USB 2.0 Legacy: 2 x PS/2 (keyboard and mouse), 1 x Serial (RS-232) Audio Jack: 1 x Line-in, 1 x Line-out Technical Considerations for Upgraders
1 x PCIe x16 (Gen 3.0) for low-profile or full-height graphics cards 3 x PCIe x1 (Gen 2.0) for network or sound cards SATA Ports: 2 x SATA III (6.0 Gb/s) 1 x SATA II (3.0 Gb/s)