Am4 Pinout | Diagram [top]

: AMD does not officially release the AM4 pinout to the public. The resources listed above are community-compiled, believed to be accurate, and derived from various sources, including leaked documents and reverse engineering efforts by the enthusiast community.

For the most detailed and interactive views, these community-verified sources provide the best breakdown of pin functions: WikiChip AM4 Interactive Pinmap

1.05 mm (the distance between the centers of two adjacent pins) Connector Type: Zero Insertion Force (ZIF) socket am4 pinout diagram

Modern CPUs draw massive amounts of current (often exceeding 100 Amps under heavy overclocking). To deliver this cleanly without melting the silicon, hundreds of pins are designated solely for power. Main power plane for the CPU cores.

AMD moved away from the AM4 pinout with the introduction of the Ryzen 7000 series. The new uses 1,718 pads (LGA 1718) on the CPU instead of pins. While this makes the CPU harder to break, it makes the motherboard socket much more fragile. : AMD does not officially release the AM4

Several tools and resources can aid in working with AM4 pinout diagrams:

DP (DisplayPort) and HDMI pins used exclusively when an APU (processors with 'G' suffixes like the 5600G) is installed. USB Lanes: Direct native USB 3.2 connections from the CPU. To deliver this cleanly without melting the silicon,

The AMD Socket AM4 is a 1,331-pin PGA socket, utilizing a specific pinout map for power delivery (VDDCR_CPU/SOC), PCIe, and DDR4 memory functionality. Technical documentation identifies crucial pin groups, where damage to data or voltage pins can cause specific failures, while broken ground (VSS) pins are often benign. For a visual overview, review the diagram from Reddit r/Amd

The 1331 pins on an AM4 CPU are not just a random jumble; they are carefully assigned to specific functions. These groups are the backbone of how the processor communicates with every other component in your system. The following table details the principal signal groups of the AM4 pinout, providing a comprehensive look at their purpose and key associated signals.