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Black ATX motherboard with grey heatsinks and ROG branding

ASUS

ASUS ROG STRIX B550-F GAMING AMD motherboard

SKU CH-DNV0-PBNEC

ATX board for AM4 Ryzen CPUs with dual-channel DDR4 up to 128 GB, one PCIe 4.0 x16 slot, one PCIe 3.0 x16 slot, six SATA ports and two M.2 slots

  • ProcessorRyzen Series
  • ChipsetAMD B550
  • Form factorATX
  • CPU socketAM4
  • Memory slot count4 × 288pin (DDR4)
  • Supported memoryDDR4 3200
  • Supports Ryzen 5000, 4000 G-Series and 3000 Series CPUs for broad compatibility
  • DDR4 memory overclocking up to 5100 MHz on supported Ryzen processors for high-speed performance
  • Dual M.2 slots provide flexible high-speed storage expansion options
  • Six SATA 6Gb/s ports enable multiple drive configurations with RAID 0, 1, 10 support
  • ROG SupremeFX S1220A audio codec delivers high-definition sound for immersive gaming

AM4 Ryzen motherboard

The ASUS ROG STRIX B550-F GAMING is an ATX board built for AMD Ryzen 5000, 4000 G-Series and 3000 series processors on the AM4 socket. It uses the AMD B550 chipset and provides four 288-pin slots for DDR4 memory up to 128GB in dual-channel mode. A BIOS update may be required before installing a Zen 3 Ryzen 5000 CPU.

VRM heatsinks and fan headers

Large VRM heatsinks cover the power delivery for steady thermals during extended loads. Multiple hybrid fan headers let the board balance CPU and chassis airflow based on temperature sensors. The layout keeps the primary PCIe 4.0 x16 slot clear for a graphics card while the chipset runs on a PCIe 3.0 link.

Dual M.2 and six SATA ports

Two M.2 sockets and six SATA 6Gb/s ports give flexible storage options with RAID 0, 1 and 10 support. The rear I/O includes a clear CMOS button and a USB BIOS FlashBack port for firmware updates without a CPU installed. Onboard audio uses the ROG SupremeFX S1220A codec for high-definition output.

How it compares

Measured against everything we stock in Motherboards for AMD CPUs, at today’s prices. Recalculated every night.

Price $109.99
Cheaper than about 73% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameASUS
Product lineROG
Model nameSTRIX B550-F GAMING
Processor
ProcessorRyzen Series
CPU socketAM4
ChipsetAMD B550
Memory
Memory slot count4 × 288pin (DDR4)
Supported memoryDDR4 3200
Max supported RAM128 GB
Memory channelsDual Channel
ECC supportYes
BufferingUn-buffered
Storage
SATA ports6 x SATA 6Gb/s
M.2 slots2 x M.2
SATA and RAID support0/1/10
Graphics
Onboard video chipSupported only by CPU with integrated graphic
Audio & video
Audio chipROG SupremeFX High Definition Audio CODEC S1220A
Sound channels8 Channels
Connectivity
Ethernet controllerIntel I225-V
Maximum network speed2.5 Gbit/s
Ports & slots
PCIe 4.0 x16 slots1 x PCI Express 4.0 x16
PCIe 3.0 x16 slots1 x PCI Express 3.0 x16
PCIe x1 slots3 x PCI Express x1
Onboard USB headers2 x USB 3.2 + 4 x USB 2.0
Power
Power connectors24 Pin
Size & build
Form factorATX
Width and length12.0 in × 9.6 in
Compatibility
Windows 11 supportSupported
More details
LightingRGB

Questions about this item

How do I install the CPU into the AM4 socket on this board, and what step is often missed?

Lift the AM4 socket lever, align the Ryzen processor triangle with the socket marker, lower the CPU gently without force, then lock the lever down; the step many miss is checking that the BIOS version supports the specific Ryzen 5000 series chip before first boot.

What maintenance or replacement will the ROG SupremeFX S1220A audio codec need over time?

The onboard S1220A codec is soldered and requires no scheduled maintenance; if audio quality degrades, verify driver updates first, as the chip itself is not user-replaceable.

What limit appears first on the VRM when running a high-core-count Ryzen under sustained all-core load?

The VRM thermal limit is reached before the 128 GB memory ceiling or PCIe 4.0 x16 bandwidth, so adequate case airflow and heatsink contact become the practical ceiling for prolonged heavy workloads.

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