ASUS PRIME B450-PLUS is an ATX board on the AMD B450 chipset covering Ryzen 5000, 5000 G-Series, 4000 G-Series, and 3rd, 2nd and 1st Gen Ryzen processors, plus Athlon with Radeon Vega Graphics. Expansion is one PCIe 3.0 x16 slot and a second PCIe 2.0 x16 slot limited to x4, with one M.2 slot and six SATA 6Gb/s ports.
Product released: April 1, 2018
Latest firmware version
Version 4655, released August 27, 2026
Last checked for updates: Oct 31, 2026 18:24 UTC
What's new in version 4655
1. Update AGESA version to ComboV2 PI 1.2.0.12.
2. Mitigate fTPM vulnerabilities (CVE-2026-6726, CVE-2026-6727).
Version 4644 - September 22, 2025: This BIOS update for Ryzen™ 5000 G-Series /4000 G-Series /3000 G-Series /2000 G-Series systems includes a critical fTPM firmware upgrade, enhancing security an…
Version 4622 - November 14, 2024: 1. Updated AGESA to version ComboV2PI 1.2.0.Cc. 2. Resolved CPU exception when adjusting items like ""When system is in sleep, hibernate, or soft off states""…
Version 4604 - April 8, 2024: Update AGESA version to ComboV2PI 1.2.0.Ca. Fix AMD processor vulnerabilities security.
Version 4402 - January 8, 2024: 1.This update includes the patch for the LogoFAIL vulnerabilities 2.Support graphics card with M.2 storage
Version 4401 - October 30, 2023: 1. Update AGESA version to ComboV2PI 1.2.0.B 2. Update AMD 5000/3000 Series CPU fTPM version, please back up Bitlocker recovery key before updating this versio…
Version 4202 - August 2, 2023: 1. Update AGESA version to ComboV2PI 1.2.0.A 2. Mitigate the AMD potential security vulnerabilities for AMD Athlon™ processors and Ryzen™ processors 3. Improve…
Version 4003 - March 21, 2023: 1. Update AGESA version to ComboV2PI 1208 2. Mitigate the AMD potential security vulnerabilities for AMD Athlon™ processors and Ryzen™ processors
Version 3802 - May 12, 2022: 1. Update AMD AM4 AGESA V2 PI 1.2.0.7. 2. Fix AMD fTPM issue causes random stuttering.
Version 3604 - March 16, 2022: 1. Update AMD AM4 AGESA V2 PI 1.2.0.6b 2. Improve system performance and stability 3. Improve system performance for AMD Ryzen 7 5800X3D
Version 3002 - March 19, 2021: - Update AMD AM4 AGESA V2 PI 1.2.0.1 - Support Smart Access Memory for Ryzen 3000 Series Processors - Improved system performance - Improved system compatibili…
Version 2807 - February 9, 2021: 1． Update AMD AM4 AGESA V2 PI 1.2.0.0 2． Update AMD RAID UEFI driver 3． Improve system stability
Version 2803 - January 18, 2021: 1． Improve system Performance and stability 2． Improve ReSizable BAR compatibility for NVIDIA RTX30 series graphics cards
Version 2202 - July 17, 2020: Improve system performance Improve DRAM stability Improve system stability Improve system compatibility Fixed AI suite 3 issue Update AM4 AGESA to 1006 Fixed H…
Version 1820 - September 24, 2019: Update AGESA 1.0.0.3ABBA to improve system performance. Removes Gen 4 support when using Ryzen 3000 CPUs.
Version 1816 - September 9, 2019: 1.Improve system performance. 2.Update AM4 Combo PI 1.0.0.3 Patch ABB a.Fixes a compatibility issue with Destiny 2 b.Fixes an issue with certain Linux distros…
Version 1804 - August 1, 2019: Update AGESA 1.0.0.3 Patch AB to improve compatibility; Recommend updating the BIOS via EZ Flash.
Version 1607 - June 21, 2019: Update new AGESA to improve compatibility; Recommend updating the BIOS via EZ Flash.
Version 1201 - May 17, 2019: Update AM4 ComboPI 0.0.7.2A for next-gen processors and to improve CPU compatibility
Version 0809 - March 8, 2019: Update AGESA 0070 for the upcoming processors and improve some CPU compatibility. ASUS strongly recommends that you update AMD chipset driver 18.50.16 or later…
ASUS PRIME B450-PLUS is an ATX board on the AMD B450 chipset covering Ryzen 5000, 5000 G-Series, 4000 G-Series, and 3rd, 2nd and 1st Gen Ryzen processors, plus Athlon with Radeon Vega Graphics. Expansion is one PCIe 3.0 x16 slot and a second PCIe 2.0 x16 slot limited to x4, with one M.2 slot and six SATA 6Gb/s ports. It was originally released on April 1, 2018.
What is the latest firmware version of ASUS PRIME B450-PLUS?
The latest firmware version of ASUS PRIME B450-PLUS is 4655. It was released on August 27, 2026.
What changed in ASUS PRIME B450-PLUS firmware version 4655?
ASUS PRIME B450-PLUS firmware version 4655 includes the following changes: 1. Update AGESA version to ComboV2 PI 1.2.0.12.
2. Mitigate fTPM vulnerabilities (CVE-2026-6726, CVE-2026-6727).
Where can I download the latest ASUS PRIME B450-PLUS firmware?
Details and download instructions for the latest ASUS PRIME B450-PLUS firmware (version 4655) are on ASUS's official release page: https://www.asus.com/motherboards-components/motherboards/prime/prime-b450-plus/helpdesk_bios/
How often does ASUS release firmware updates for ASUS PRIME B450-PLUS?
We have tracked 40 firmware versions of ASUS PRIME B450-PLUS. Based on historical patterns, updates are released approximately every 150 days.
When is the next ASUS PRIME B450-PLUS firmware update expected?
Based on this product's update history, a firmware update for ASUS PRIME B450-PLUS is expected soon, between September 22, 2026 and December 15, 2026.
Is ASUS PRIME B450-PLUS still receiving firmware updates?
Yes, ASUS PRIME B450-PLUS received a firmware update within the last 3 months. The most recent version is 4655.