Reviewed by: Ken Appleby
The is the architectural blueprint for AMD’s most successful consumer socket to date . Featuring 1,331 pins , this
The 1,331 pins are not identical; they are divided into functional blocks that manage power, data, and system signals. Functional Group Description Key Pin Labels
OPGA (micro Pin Grid Array) configuration served as the foundation for the Ryzen revolution from 2017 through the early 2020s. am4 pin layout
Dedicated pins for USB 3.1, SATA connectivity, and Display Output. USB_SS , SATA_ZVDDP , DP_TX
Pins dedicated to communicating with the dual-channel DDR4 memory. MA_DATA , MB_DATA , MA_CLK The is the architectural blueprint for AMD’s most
High-speed lanes for GPUs, NVMe storage, and the motherboard chipset. P_GFX_TXP , P_GPP_RXP
Supports up to 24 PCIe lanes (PCIe 3.0/4.0 depending on the CPU generation). Dedicated pins for USB 3
Critical low-level signals for booting, resetting, and clocking. SYS_RESET_L , RTCCLK , PWR_GOOD
Heatsink mounting holes are arranged in a 54mm x 90mm rectangle. Pin Mapping and Functional Groups