ASUS confirms BIOS support for AMD's Ryzen 7 5800X3D and other new models

AMD's Ryzen 5 5500 will not be supported on 300-series AM4 motherboards

ASUS confirms BIOS support for AMD's Ryzen 7 5800X3D and other new models

ASUS is bringing Zen 3 support to their 300-series AM4 motherboards - Mostly

ASUS has confirmed that they plan to support all of AMD's newly announced Ryzen 5000 and 4000 series processors on their existing AM4 series motherboards, including many of their older X370 and A320 designs.

This CPU support will come in the form of new BIOS updates for the company's motherboards, though it is worth noting that some new models will not be supported by the company's X370 and A320 series motherboards. Specifically, AMD's Ryzen 5 5500 will not be supported, likely due to the CPU's use of AMD Cezanne silicon. The Ryzen 5 5500 will be supported on 400-series and 500-series ASUS AM4 motherboards. 

Strangely, ASUS has not revealed any new CPU support for their B350-series motherboard designs. AMD has confirmed that manufacturers can add this support to B350 motherboard designs, but ASUS appears to have no concrete plans to add this support at this time. On March 25th, limited Zen 3 CPU support will be added to ASUS' X370 and A320 AM4 motherboards. Has B350 been skipped, or is ASUS planning to add this support later?

Below is a chart detailing ASUS' AM4 support plans and the company's latest press release regarding its support for AMD's latest Ryzen processors.

ASUS confirms BIOS support for AMD's Ryzen 7 5800X3D and other new modelsPress Release - ASUS Announces BIOS Support for AMD Ryzen 7 5800X3D and Other New CPUs

ASUS today announced BIOS support and updates readying a range of motherboards for a new wave of 5000 and 4000 series AMD Ryzen™ CPUs.

To accompany the new Ryzen 7 5800X3D, which features a special 96 MB L3 cache. AMD has released AGESA Version to improve system performance. Many ASUS 500, 400, A320 and X370 series motherboards already have BIOS updates featuring this new AGESA build, and all remaining models that are compatible will receive corresponding BIOS updates by March 25. 

All other CPUs in this wave will be recognized by 400 and 500 series ASUS motherboards via pre-existing BIOS updates — also featuring AGESA version — that can be downloaded from the ASUS Support website at Previous generation ASUS motherboards will receive support for these new CPUs according to the chart below.

All UEFI BIOS updates will be available on the respective motherboard support pages, which can be accessed via the ASUS Support website at

You can join he discussion on ASUS' Ryzen/AM4 support plans on the OC3D Forums.

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Most Recent Comments

16-03-2022, 11:21:36

Did I understand this right, the A320 Mobos will get Ryzen 5000X3D support, but not the b350 boards?Quote

16-03-2022, 17:17:56

350 boards can get the updates but Asus has not announced plans to do that with this current announcementQuote

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