Wi-Fi 6 with Bluetooth v5.4 and Realtek 2.5Gb Ethernet come with ASUS PRIME B650EM-A WIFI, a mATX board for AM5 Ryzen 9000, 8000 and 7000 processors on the AMD B650 chipset. It has four DDR5 slots up to 256GB, a PCIe 5.0 x16 slot, three M.2 slots with M.2_1 at PCIe 5.0 x4, and two DisplayPort outputs plus HDMI.
Product released: October 1, 2022
Latest firmware version
Version 4004, released September 21, 2026
Last checked for updates: Oct 31, 2026 05:58 UTC
What's new in version 4004
1. Update to AGESA ComboAM5 PI 1.3.0.1d.
2. Enhanced memory performance, system stability, and compatibility with CXMT memory chips for improved low-latency operation.
Before running the USB BIOS Flashback tool, please rename the BIOS file (A5675.CAP) using BIOSRenamer
LatestUpdate has tracked 13 versions of ASUS PRIME B650EM-A WIFI firmware, released between April 21, 2025 and September 21, 2026.
Version 4004 - September 21, 2026: 1. Update to AGESA ComboAM5 PI 1.3.0.1d. 2. Enhanced memory performance, system stability, and compatibility with CXMT memory chips for improved low-latency op…
Version 3886 - July 2, 2026: Updated AGESA ComboAM5 PI 1.3.0.1b Patch A to support the GNR Transparent Secure Memory Encryption (TSME) feature. Before running the USB BIOS Flashback tool,…
Version 3881 - June 29, 2026: 1.Update AGESA ComboAM5 PI 1.3.0.1b. 2.Add support for EXPO ULL memory profiles. 3.Optimize ECC-UDIMM memory performance. Before running the USB BIOS Flashback…
Version 3854 - April 23, 2026: • Update AGESA ComboAM5 PI 1.3.0.1. Note: This BIOS version cannot be rolled back to previous versions. Before running the USB BIOS Flashback tool, please rena…
Version 3842 - March 27, 2026: "1. AGESA updated to ComboAM5 PI_1.3.0.0a. 2. Provide additional stability margin during high-frequency DDR5 training. 3. Addresses potential boot failures and…
Version 3841 - February 26, 2026: 1. AGESA updated to ComboAM5 PI_1.3.0.0a. 2. Provide additional stability margin during high-frequency DDR5 training. 3. Addresses potential boot failures and…
Version 3827 - February 13, 2026: "1. AGESA updated to ComboAM5 PI_Pre1.3.0.0 for better security. 2. Enhanced system performance and stability. 3. Improved memory compatibility for JEDEC-compl…
Version 3602 - December 1, 2025: "1.AGESA updated to ComboAM5 PI 1.2.7.0. 2.Improves compatibility with various CPUs and devices. Note: This BIOS version cannot be rolled back to previous vers…
Version 3287 - October 22, 2025: "Updated AGESA to ComboAM5 PI 1.2.0.3g. Before running the USB BIOS Flashback tool, please rename the BIOS file (A5675.CAP) using BIOSRenamer" Starting from AG…
Version 3283 - September 19, 2025: "Improve system stability. Before running the USB BIOS Flashback tool, please rename the BIOS file (A5675.CAP) using BIOSRenamer" Starting from AGESA ComboAM5…
Version 3278 - August 5, 2025: "1. Updated AGESA to ComboAM5 PI 1.2.0.3f. 2. Enhanced system performance, stability, device compatibility, and overclocking support. Before running the USB BI…
Version 3265 - July 4, 2025: "1.Updated AGESA to ComboAM5 PI 1.2.0.3e for upcoming CPU compatibility. 2.Enhanced system performance and stability. 3.Important: This update is irreversible.…
Version 0220 - April 21, 2025: First Release Before running the USB BIOS Flashback tool, please rename the BIOS file (A5675.CAP) using BIOSRenamer
Update prediction
A firmware update is expected soon, between October 14, 2026 and November 21, 2026.
ASUS typically releases firmware updates for this product approximately every 50 days.
Wi-Fi 6 with Bluetooth v5.4 and Realtek 2.5Gb Ethernet come with ASUS PRIME B650EM-A WIFI, a mATX board for AM5 Ryzen 9000, 8000 and 7000 processors on the AMD B650 chipset. It has four DDR5 slots up to 256GB, a PCIe 5.0 x16 slot, three M.2 slots with M.2_1 at PCIe 5.0 x4, and two DisplayPort outputs plus HDMI. It was originally released on October 1, 2022.
What is the latest firmware version of ASUS PRIME B650EM-A WIFI?
The latest firmware version of ASUS PRIME B650EM-A WIFI is 4004. It was released on September 21, 2026.
What changed in ASUS PRIME B650EM-A WIFI firmware version 4004?
ASUS PRIME B650EM-A WIFI firmware version 4004 includes the following changes: 1. Update to AGESA ComboAM5 PI 1.3.0.1d.
2. Enhanced memory performance, system stability, and compatibility with CXMT memory chips for improved low-latency operation.
Before running the USB BIOS Flashback tool, please rename the BIOS file (A5675.CAP) using BIOSRenamer
Where can I download the latest ASUS PRIME B650EM-A WIFI firmware?
Details and download instructions for the latest ASUS PRIME B650EM-A WIFI firmware (version 4004) are on ASUS's official release page: https://www.asus.com/motherboards-components/motherboards/prime/prime-b650em-a-wifi/helpdesk_bios/
How often does ASUS release firmware updates for ASUS PRIME B650EM-A WIFI?
We have tracked 13 firmware versions of ASUS PRIME B650EM-A WIFI. Based on historical patterns, updates are released approximately every 50 days.
When is the next ASUS PRIME B650EM-A WIFI firmware update expected?
Based on this product's update history, a firmware update for ASUS PRIME B650EM-A WIFI is expected soon, between October 14, 2026 and November 21, 2026.
Is ASUS PRIME B650EM-A WIFI still receiving firmware updates?
Yes, ASUS PRIME B650EM-A WIFI received a firmware update within the last 3 months. The most recent version is 4004.