Released in 2014, this version is recommended for maximum stability and compatibility with late-cycle Ivy Bridge-E processors.
The is primarily available through the official ASUS Support site , which hosts the final stable firmware versions and necessary utilities for this Intel X79-based motherboard. Latest BIOS Downloads & Key Versions asus rampage iv extreme bios download
There are two primary methods for updating the firmware on this motherboard: Released in 2014, this version is recommended for
Newer versions (4310 and above) are required for processors like the Intel Core i7-4930K or Xeon E5-1620 v2. How to Update the BIOS Released in 2014