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ATX motherboard in dark grey with yellow accents, large heatsinks, WiFi antenna connectors, multiple PCIe and M.2 slots

ASUS

ASUS TUF GAMING B550-PLUS WIFI II B550 SATA 6Gb/s AMD motherboard

SKU CH-JCSY-S8Y75

An AMD AM4 motherboard with 8+2 DrMOS power stages, WiFi 6, 2.5 Gb LAN, dual M.2 slots with one PCIe 4.0 x4, HDMI 2.1 and DisplayPort 1.2 video outputs, USB 3.2 Gen 2 Type-C and Type-A.

  • CPU TypeRyzen 5000 Series
  • Reliable power for high-core CPUs with 8+2 DrMOS stages and alloy chokes
  • Cool, quiet operation via fanless VRM and PCH heatsinks plus Fan Xpert 4 control
  • Fast, stable networking with WiFi 6 and 2.5 Gb LAN protected by LANGuard
  • Versatile connectivity including HDMI 2.1 at 4K 60 Hz, DisplayPort 1.2, dual M.2 with PCIe 4.0 x4.
  • Clear in-game audio and voice chat from SupremeFX S1220A codec with DTS and AI noise-cancelling mic

AM4 Socket Board for Ryzen 5000 and 3000 Series

The ASUS TUF GAMING B550-PLUS WIFI II is an ATX motherboard built for AMD AM4 processors. It supports Ryzen 5000 Series, 5000 G-Series, 4000 G-Series and 3000 Series CPUs. The 8+2 DrMOS power stage design with alloy chokes and durable capacitors delivers stable current for high-core-count chips. Integrated WiFi 6 and 2.5 Gb LAN with LANGuard handle networking.

Upgrade Path from Older AM4 Platforms

Builders moving from a 300-series chipset gain PCIe 4.0 support for graphics and one M.2 slot. The jump is worthwhile when a Ryzen 5000 processor is planned, because the stronger VRM and fanless heatsinks keep thermals in check under sustained loads. If the current system already runs a 4000 G-Series or 5000 Series CPU on a B550 board, the improvement is marginal.

Build Integration with Dual M.2 and USB 3.2 Gen 2

Dual M.2 slots accept NVMe drives; one operates at PCIe 4.0 x4. Rear I/O includes HDMI 2.1 for 4K 60 Hz output, DisplayPort 1.2, USB 3.2 Gen 2 Type-C and Type-A, plus a Thunderbolt 3 header. Front-panel USB 3.2 Gen 1 and an SPI TPM header are also provided. SupremeFX S1220A audio with DTS and AI noise-cancelling mic technology handles sound. DDR4 memory can reach 4866 MHz when overclocked.

Highlights

  • Reliable power for high-core CPUs with 8+2 DrMOS stages and alloy chokes
  • Cool, quiet operation via fanless VRM and PCH heatsinks plus Fan Xpert 4 control
  • Fast, stable networking with WiFi 6 and 2.5 Gb LAN protected by LANGuard
  • Versatile connectivity including HDMI 2.1 at 4K 60 Hz, DisplayPort 1.2, dual M.2 with PCIe 4.0 x4.
  • Clear in-game audio and voice chat from SupremeFX S1220A codec with DTS and AI noise-cancelling mic

Specifications

CPU TypeRyzen 5000 Series

Questions about this item

What socket and form factor does the ASUS TUF GAMING B550-PLUS WIFI II use?

The board uses an AMD AM4 socket and follows the ATX form factor, so it fits any standard ATX case with the correct standoff layout.

Which BIOS step is often missed when installing a Ryzen 5000 series CPU on this motherboard?

Update the BIOS to a version that supports Ryzen 5000 series processors before installing the CPU; otherwise the system will not post.

Which cooling components on this motherboard may need dust removal or fan replacement over time?

The VRM and PCH heatsinks are fanless, so only case fans connected to the hybrid headers require periodic cleaning or replacement.

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