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ATX motherboard in anti-static bag with I/O shield

ASUS

ASUS PRIME B550-PLUS AC AMD motherboard

SKU CH-KYP4-CHA2N

ATX motherboard with AM4 socket for Ryzen 2nd and 3rd Gen CPUs, includes I/O shield only

  • CPU Socket TypeAM4
  • CPU TypeRyzen Series
  • Form FactorATX
  • Supports Ryzen 2nd and 3rd Gen CPUs out of the box
  • 5th Gen Ryzen needs a BIOS update using a supported CPU
  • Manufacturer refurbished by ASUS with full functional testing
  • Includes motherboard and I/O shield only in anti-static bag
  • 30 day warranty from Computer Headquarters

Compatible Ryzen CPUs

This ATX motherboard uses the AM4 socket and supports AMD Ryzen 2nd and 3rd Generation processors without a BIOS update. Compatible models include the Ryzen 3 2200G, Ryzen 5 3600, and Ryzen 9 3950X among others. A BIOS update is required for 5th Generation CPUs, which can only be performed using a supported older processor.

Thermals and Power

The board ships as a manufacturer-refurbished unit tested by ASUS for full functionality. It includes only the motherboard and I/O shield inside an anti-static bag and plain box. No additional accessories such as SATA cables or Wi-Fi antennas are provided in the package.

Generation Compatibility Constraint

AMD Ryzen 1st Generation processors are not compatible with this motherboard even if a BIOS update is applied. This restriction applies to models such as the Ryzen 5 1600 and Ryzen 7 1700X. Buyers must verify their CPU generation before purchase to ensure the system will boot.

Highlights

  • Supports Ryzen 2nd and 3rd Gen CPUs out of the box
  • 5th Gen Ryzen needs a BIOS update using a supported CPU
  • Manufacturer refurbished by ASUS with full functional testing
  • Includes motherboard and I/O shield only in anti-static bag
  • 30 day warranty from Computer Headquarters

Specifications

BrandASUS
ModelPRIME B550-PLUS AC
CPU Socket TypeAM4
CPU TypeRyzen Series
Form FactorATX

Questions about this item

How do I install the ASUS PRIME B550-PLUS AC motherboard and what step is often missed?

Mount the board using standard ATX standoffs, fit the included I/O shield before securing the motherboard, then connect power and data cables; the step often missed is installing the I/O shield first.

What maintenance or replacement will the ASUS PRIME B550-PLUS AC need later?

The board is sold as motherboard and I/O shield only, so you may need to source SATA cables, a Wi-Fi antenna, and a driver disk separately for future upgrades or repairs.

What limit appears first on the ASUS PRIME B550-PLUS AC under sustained use?

The VRM cooling capacity will throttle high-core-count Ryzen 9 3900X or 3950X CPUs before other limits are reached.

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