When searching for the keyword you are likely either troubleshooting an existing HP desktop, looking to upgrade a system, or sourcing a replacement part. Unlike off-the-shelf retail motherboards from ASUS, MSI, or Gigabyte, the HP FXN1 is a proprietary board. Understanding its exact specifications is critical because it dictates what CPUs, RAM, power supplies, and cases are compatible.
The HP FXN1 E93839 features four DIMM slots, which was a premium feature for boards of its size at the time. This allows for a decent amount of multitasking capability even by modern standards. DDR3 SDRAM (Non-ECC). Speed: 1066 MHz or 1333 MHz. Maximum Capacity: Up to 32GB (4 x 8GB modules).
These boards are designed for 24/7 business environments, making them durable.
Warning: Do not install an i7-3770 or i5-3570 unless you confirm the specific BIOS revision via HP’s system ROM.
DDR3 SDRAM (1333/1600 MHz) [Note: Select revisions feature DDR4] Up to 32 GB Networking Intel 82579LM Gigabit Ethernet (10/100/1000 Mb/s) Audio Realtek ALC261 / Integrated High Definition Audio Processor & Socket Compatibility
If you're reusing or repairing this board, the interface is its standout feature.
HP FXN1 E93839 is a proprietary motherboard commonly found in business-class desktops, such as the HP ProDesk 600 G3
Users can easily upgrade to 16GB (4 × 4GB) or even 32GB (4 × 8GB modules) of DDR3 RAM to handle multitasking efficiently. 3. Expansion Potential
