ASUS TUF GAMING B450-PLUS II

Made by ASUS · firmware

ASUS TUF GAMING B450-PLUS II is an ATX board on the AMD B450 chipset and AM4 socket, covering 3rd, 2nd and 1st Gen Ryzen and Athlon with Radeon Vega Graphics, with four DDR4 slots up to 128GB. It has two M.2 slots (one CPU-attached at PCIe 3.0 x4, one chipset-attached at PCIe 2.0 x4), AMD CrossFireX support and a Realtek L8200A Ethernet controller.

Product released: April 1, 2018

Latest firmware version

Version 4655, released August 27, 2026

Last checked for updates: Oct 31, 2026 11:36 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).Before running the USB flashback tool，please rename the BIOS file (TB450PS2.CAP) using BIOSRenamer

Download firmware 4655

firmware version history

LatestUpdate has tracked 26 versions of ASUS TUF GAMING B450-PLUS II firmware, released between October 20, 2020 and August 27, 2026.

• Version 4655 - August 27, 2026: 1. Update AGESA version to ComboV2 PI 1.2.0.12. 2. Mitigate fTPM vulnerabilities (CVE-2026-6726, CVE-2026-6727).Before running the USB flashback tool，please re…
• Version 4651 - June 30, 2026: 1.Update AGESA version to ComboV2 PI 1.2.0.12. 2. Implemented security updates. Before running the USB flashback tool，please rename the BIOS file (TB450PS2.CAP…
• Version 4645 - January 27, 2026: Improve system compatibility Before running the USB BIOS Flashback tool, please rename the BIOS file (TB450PS2.CAP) using BIOSRenamer.
• Version 4644 - September 24, 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 4641 - August 14, 2025: 1. Updated AGESA version to ComboV2 PI 1.2.0.F. 2. Implemented security updates. Before running the USB flashback tool，please rename the BIOS file (TB450PS2.CA…
• Version 4631 - April 1, 2025: 1. Updated AGESA version to ComboV2 PI 1.2.0.E. 2. Implemented security updates. Before running the USB BIOS Flashback tool, please rename the BIOS file (TB450…
• 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 4610 - May 10, 2024: 1.Improve system stability. Before running the USB BIOS Flashback tool, please rename the BIOS file (TB450PS2.CAP) using BIOSRenamer.
• Version 4604 - April 8, 2024: Update AGESA version to ComboV2PI 1.2.0.Ca. Fix AMD processor vulnerabilities security. Before running the USB BIOS Flashback tool, please rename the BIOS file…
• Version 4402 - January 8, 2024: 1.This update includes the patch for the LogoFAIL vulnerabilities 2.Support graphics card with M.2 storage Before running the USB BIOS Flashback tool, please r…
• Version 4401 - October 23, 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 4204 - September 1, 2023: Recommended for vital update to mitigate the potential security vulnerabilities Before running the USB BIOS Flashback tool, please rename the BIOS file (TB450P…
• 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 3. Before run…
• Version 3810 - December 15, 2022: 1. Improve system compatibility 2. Before running the USB BIOS Flashback tool, please rename the BIOS file (TB450PS2.CAP) using BIOSRenamer
• 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 Before running the USB…
• Version 3211 - August 26, 2021: 1. Update AMD AM4 AGESA V2 PI 1.2.0.3 Patch C 2. Improve system performance 3. Before running the USB BIOS Flashback tool, please rename the BIOS file (TB450PS…
• Version 3205 - August 4, 2021: Support Windows 11 by default, no settings changes required in the UEFI BIOS.
• Version 3202 - June 24, 2021: 1. Update AMD AM4 AGESA V2 PI 1.2.0.3 Patch A 2. Improve system stability
• 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 Before running the USB BIOS Flashback tool, please rename the…
• Version 2803 - January 18, 2021: 1．Improve system Performance and stability 2．Improve ReSizable BAR compatibility for NVIDIA RTX30 series graphics cards Before running the USB BIOS Flashback t…
• Version 2602 - January 7, 2021: Update AMD AM4 AGESA V2 PI 1.1.9.0. Before running the BIOS Flashback tool, please rename the BIOS file (TB450PS2.CAP.CAP) using BIOSRenamer
• Version 2409 - December 7, 2020: 1.New CPU support 2Add a ReSize BAR shortcut for AMD SAM support 3.Before running the USB BIOS Flashback tool, please rename the BIOS file (.CAP) using BIOSRen…
• Version 0211 - October 20, 2020

Update prediction

A firmware update is expected soon, between October 4, 2026 and December 27, 2026.

ASUS typically releases firmware updates for this product approximately every 98 days.

Official ASUS TUF GAMING B450-PLUS II product page