ASUS PRIME B650M-R-CSM is the CSM (Corporate Stable Model) edition of the PRIME B650M-R, aimed at business deployments, with an ACC Express activation key card. The micro-ATX B650 board has two non-ECC DDR5 slots (up to 96GB), two PCIe 4.0 x4 M.2 slots, Realtek 2.5Gb Ethernet and HDMI as its sole video output, plus a front USB 5Gbps Type-C connector.
Product released: October 1, 2022
Latest firmware version
Version 4004, released September 21, 2026
Last checked for updates: Oct 31, 2026 06:12 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 ( A5508.CAP) using BIOSRenamer.
LatestUpdate has tracked 26 versions of ASUS PRIME B650M-R-CSM firmware, released between November 29, 2023 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-compli…
Version 3602 - November 21, 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 versi…
Version 3287 - October 21, 2025: Updated AGESA to ComboAM5 PI 1.2.0.3g. Before running the USB BIOS Flashback tool, please rename the BIOS file (A5508.CAP) using BIOSRenamer.
Version 3283 - September 19, 2025: Improve system stability. Before running the USB BIOS Flashback tool, please rename the BIOS file ( A5508.CAP) using BIOSRenamer.
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 BIO…
Version 3263 - June 18, 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 irreversibl…
Version 3222 - March 7, 2025: 1. Enhanced system performance with support for 9950X3D and 9900X3D processors. 2. Included AI Cache Boost to enhance performance and compute power when using…
Version 3208 - February 11, 2025: 1.Updated AGESA to PI 1.2.0.3a Patch A. Please update the chipset driver to version 7.01.08.129 or newer to enhance gaming performance in select games. 2. Impr…
Version 3201 - January 16, 2025: 1.Updated AGESA to ComboAM5 PI 1.2.0.3. Please also update the chipset driver to version 7.01.08.129 or newer to enhance gaming performance for select games. 2…
Version 3067 - December 18, 2024: SHA256: FC897C6BA93AD9100E9E725CAA6B243DF795EA16164BA5FE18B2F0901DFD47EF 1.Updated AMD AGESA to version 1.2.0.2b 2.Fixed a few fan-related bugs and improved ov…
Version 3057 - November 6, 2024: 1. Include Turbo Game Mode: Enhance performance in certain games. 2. Update AGESA Version to Combo AM5 PI 1.2.0.2a: Enhance compatibility and performance. Befo…
Version 3043 - October 22, 2024: 1.Updated to AMD AGESA PI 1.2.0.2. 2.Phase in AMD cTDP to 105W option for particular processors. Before running the USB BIOS Flashback tool, please rename the…
Version 3035 - September 12, 2024: 1. Updated to AMD AGESA PI 1.2.0.1a. 2. Resolved the SMM Lock Bypass and Sinkhole security vulnerabilities. 3. The control limit mode (cTDP to105W) was moved t…
Version 3024 - August 7, 2024: Update AGESA version to Combo AM5 PI 1.2.0.0a Patch A for better stability with AMD Ryzen™ 9000 series processors. Before running the USB BIOS Flashback tool,…
Version 3014 - July 23, 2024: Update AGESA version to Combo AM5 PI 1.2.0.0a for optimizing next generation AMD Ryzen™ processors performance Before running the USB BIOS Flashback tool, plea…
Version 2613 - April 18, 2024: Update AGESA version to Combo 1.1.7.0 patch A to support next generation AMD Ryzen™ processors Before running the USB BIOS Flashback tool, please rename the BI…
Version 2413 - February 7, 2024: Disable STAPM of AM5 Ryzen™ 8000 processors to improve system performance. Before running the USB BIOS Flashback tool, please rename the BIOS file ( A5508.CAP)…
Version 2412 - January 30, 2024: Update AGESA version to Combo AM5 PI 1.1.0.2b Before running the USB BIOS Flashback tool, please rename the BIOS file ( A5508.CAP) using BIOSRenamer
Version 2214 - January 4, 2024: 1. Update AGESA version to Combo AM5 PI 1.1.0.1 2. Improve system stability 3. This update includes the patch for the LogoFAIL vulnerabilities 4. Support graph…
Version 0212 - November 29, 2023: First Release Before running the USB BIOS Flashback tool, please rename the BIOS file (A5508.CAP) using BIOSRenamer.
Update prediction
A firmware update is expected soon, between October 12, 2026 and November 20, 2026.
ASUS typically releases firmware updates for this product approximately every 50 days.
ASUS PRIME B650M-R-CSM is the CSM (Corporate Stable Model) edition of the PRIME B650M-R, aimed at business deployments, with an ACC Express activation key card. The micro-ATX B650 board has two non-ECC DDR5 slots (up to 96GB), two PCIe 4.0 x4 M.2 slots, Realtek 2.5Gb Ethernet and HDMI as its sole video output, plus a front USB 5Gbps Type-C connector. It was originally released on October 1, 2022.
What is the latest firmware version of ASUS PRIME B650M-R-CSM?
The latest firmware version of ASUS PRIME B650M-R-CSM is 4004. It was released on September 21, 2026.
What changed in ASUS PRIME B650M-R-CSM firmware version 4004?
ASUS PRIME B650M-R-CSM 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 ( A5508.CAP) using BIOSRenamer.
Where can I download the latest ASUS PRIME B650M-R-CSM firmware?
Details and download instructions for the latest ASUS PRIME B650M-R-CSM firmware (version 4004) are on ASUS's official release page: https://www.asus.com/motherboards-components/motherboards/csm/prime-b650m-r-csm/helpdesk_bios/
How often does ASUS release firmware updates for ASUS PRIME B650M-R-CSM?
We have tracked 26 firmware versions of ASUS PRIME B650M-R-CSM. Based on historical patterns, updates are released approximately every 50 days.
When is the next ASUS PRIME B650M-R-CSM firmware update expected?
Based on this product's update history, a firmware update for ASUS PRIME B650M-R-CSM is expected soon, between October 12, 2026 and November 20, 2026.
Is ASUS PRIME B650M-R-CSM still receiving firmware updates?
Yes, ASUS PRIME B650M-R-CSM received a firmware update within the last 3 months. The most recent version is 4004.