ASUS ROG STRIX B550-XE GAMING WIFI is an ATX AMD B550 board whose memory support is listed up to DDR4 4866 overclocked across four slots and 128GB, for AM4 Ryzen 5000 Series, 4000 G-Series and 3000 Series processors. It has Intel Wi-Fi 6 AX200, Intel I225-V 2.5Gb Ethernet, Q-Code, a BIOS FlashBack button, two M.2 slots, six SATA ports and three USB 3.2 Gen 2 ports.
Product released: June 1, 2020
Latest firmware version
Version 3645, released September 23, 2026
Last checked for updates: Oct 31, 2026 11:14 UTC
What's new in version 3645
Improve system compatibility
Before running the USB BIOS Flashback tool，please rename the BIOS file(SB550XEG.CAP) using BIOSRenamer
LatestUpdate has tracked 28 versions of ASUS ROG STRIX B550-XE GAMING WIFI firmware, released between October 28, 2020 and September 23, 2026.
Version 3645 - September 23, 2026: Improve system compatibility Before running the USB BIOS Flashback tool，please rename the BIOS file(SB550XEG.CAP) using BIOSRenamer
Version 3644 - 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 r…
Version 3636 - January 30, 2026: Improve system compatibility Before running the USB flashback tool，please rename the BIOS file(SB550XEG.CAP)using BIOSRename
Version 3634 - 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 3631 - 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(SB550XEG.CAP…
Version 3621 - April 12, 2025: 1. Updated AGESA version to ComboV2 PI 1.2.0.E. 2. Implemented security updates. Before running the USB flashback tool，please rename the BIOS file(SB550XEG.CAP…
Version 3611 - November 4, 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 3607 - April 3, 2024: Update AGESA version to ComboV2PI 1.2.0.Ca. Fix AMD processor vulnerabilities security. Before running the USB flashback tool，please rename the BIOS file(SB550…
Version 3405 - 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 3404 - October 24, 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 3205 - September 1, 2023: Recommended for vital update to mitigate the potential security vulnerabilities Before running the USB flashback tool，please rename the BIOS file(SB550XEG.CAP)…
Version 3202 - 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 3002 - March 14, 2023: 1. Update AGESA version to ComboV2PI 1208 2. Mitigate the AMD potential security vulnerabilities for AMD Athlon™ processors and Ryzen™ processors Before runnin…
Version 2806 - November 25, 2022: Improve system compatibility, Before running the USB flashback tool，please rename the BIOS file(SB550XEG.CAP)using BIOSRenamer
Version 2803 - May 31, 2022: 1. Update AMD AM4 AGESA V2 PI 1.2.0.7. 2. Fix AMD fTPM issue causes random stuttering. Before running the USB BIOS Flashback tool, please rename the BIOS file…
Version 2604 - March 7, 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 2425 - January 6, 2022: 1.Improve system stability Before running the USB BIOS Flashback tool, please rename the BIOS file (SB550XEG.CAP) using BIOSRenamer.
Version 2423 - August 17, 2021: 1. Update AMD AM4 AGESA V2 PI 1.2.0.3 Patch C 2. Improve system performance Before running the USB BIOS Flashback tool, please rename the BIOS file (SB550XEG.C…
Version 2407 - July 21, 2021: Support Windows 11 by default, no settings changes required in the UEFI BIOS. Before running the USB BIOS Flashback tool, please rename the BIOS file (SB550XEG…
Version 2403 - June 19, 2021: 1. Update AMD AM4 AGESA V2 PI 1.2.0.3 Patch A 2. Improve system stability Before running the USB BIOS Flashback tool, please rename the BIOS file (SB550XEG.CAP…
Version 2006 - April 13, 2021: - Update AMD AM4 AGESA V2 PI 1.2.0.1 Patch A - Fix USB connectivity issue Before running the USB BIOS Flashback tool, please rename the BIOS file (SB550XEG.CAP…
Version 2003 - March 27, 2021: - Update AMD AM4 AGESA V2 PI 1.2.0.1 - Support Smart Access Memory for Ryzen 3000 Series Processors - Fix the L3 cache performance in AIDA64 - Improved system…
Version 1805 - February 8, 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 1602 - January 6, 2021: Update AMD AM4 AGESA V2 PI 1.1.9.0. Before running the BIOS Flashback tool, please rename the BIOS file (SB550XEG.CAP) using BIOSRenamer
Version 1401 - December 8, 2020: 1. New CPU support 2. Add a ReSize BAR shortcut for AMD SAM support Before running the USB BIOS Flashback tool, please rename the BIOS file (SB550XEG.CAP) usin…
Version 1216 - November 25, 2020: 1. Support AMD AM4 AGESA V2 PI 1.1.0.0 Patch C 2. Improve system stability 3. Improve DRAM compatibility 4. Improve system performance Before running the USB f…
Version 1212 - November 5, 2020: 1. Update AMD AM4 AGESA V2 PI 1.1.0.0 Patch C 2. Improve system stability 3. Improve DRAM compatibility Before running the USB flashback tool，please rename the…
Version 0317 - October 28, 2020: Before running the USB BIOS Flashback tool, please rename the BIOS file (SB550XEG.CAP) using BIOSRenamer
Update prediction
This product was recently updated. The next firmware update is expected between October 29, 2026 and January 22, 2027.
ASUS typically releases firmware updates for this product approximately every 101 days.
ASUS ROG STRIX B550-XE GAMING WIFI is an ATX AMD B550 board whose memory support is listed up to DDR4 4866 overclocked across four slots and 128GB, for AM4 Ryzen 5000 Series, 4000 G-Series and 3000 Series processors. It has Intel Wi-Fi 6 AX200, Intel I225-V 2.5Gb Ethernet, Q-Code, a BIOS FlashBack button, two M.2 slots, six SATA ports and three USB 3.2 Gen 2 ports. It was originally released on June 1, 2020.
What is the latest firmware version of ASUS ROG STRIX B550-XE GAMING WIFI?
The latest firmware version of ASUS ROG STRIX B550-XE GAMING WIFI is 3645. It was released on September 23, 2026.
What changed in ASUS ROG STRIX B550-XE GAMING WIFI firmware version 3645?
ASUS ROG STRIX B550-XE GAMING WIFI firmware version 3645 includes the following changes: Improve system compatibility
Before running the USB BIOS Flashback tool，please rename the BIOS file(SB550XEG.CAP) using BIOSRenamer
Where can I download the latest ASUS ROG STRIX B550-XE GAMING WIFI firmware?
Details and download instructions for the latest ASUS ROG STRIX B550-XE GAMING WIFI firmware (version 3645) are on ASUS's official release page: https://rog.asus.com/motherboards/rog-strix/rog-strix-b550-xe-gaming-wifi-model/helpdesk_bios/
How often does ASUS release firmware updates for ASUS ROG STRIX B550-XE GAMING WIFI?
We have tracked 28 firmware versions of ASUS ROG STRIX B550-XE GAMING WIFI. Based on historical patterns, updates are released approximately every 101 days.
When is the next ASUS ROG STRIX B550-XE GAMING WIFI firmware update expected?
ASUS ROG STRIX B550-XE GAMING WIFI was recently updated. Based on this product's update history, the next firmware update is expected between October 29, 2026 and January 22, 2027.
Is ASUS ROG STRIX B550-XE GAMING WIFI still receiving firmware updates?
Yes, ASUS ROG STRIX B550-XE GAMING WIFI received a firmware update within the last 3 months. The most recent version is 3645.