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Black ATX motherboard with silver heatsinks and ROG branding

ASUS

ASUS ROG STRIX B550-F GAMING WIFI II AMD motherboard

SKU CH-GKD7-566M9 MPN ROG STRIX B550-F GAMING WIFI II

ATX board for AM4 Ryzen 3000, 4000 G and 5000 CPUs with PCIe 4.0, dual M.2, WiFi 6E, 2.5 Gb LAN, HDMI 2.1 and 12+2 power stages

  • ProcessorSupports AMD Ryzen 5000 / 3000 Series Processors* Supports A
  • ChipsetAMD B550
  • Form factorATX
  • CPU socketAM4
  • Memory slot count4 × 288pin (DDR4)
  • Supported memoryDDR4 5100(OC) / 4866(OC) / 4600(OC) / 4466(OC) / 4400(OC) /

Model ROG STRIX B550-F GAMING WIFI II

  • Supports AMD Ryzen 5000 and 3000 series processors via AM4 socket
  • PCIe 4.0 x16 slot and dual M.2 slots enable high-speed storage and graphics
  • WiFi 6E (802.11ax) and Intel 2.5 Gb Ethernet deliver fast, reliable networking
  • 12+2 teamed power stages with ProCool connector ensure stable power delivery
  • HDMI 2.1 and DisplayPort 1.2 outputs support high-resolution integrated graphics

AM4 socket for Ryzen 5000 and 3000 series

This ATX motherboard uses the AMD B550 chipset and an AM4 socket. It supports AMD Ryzen 5000 and 3000 series desktop processors plus 5000 and 4000 G-series APUs. Four DDR4 slots accept up to 128 GB of memory in dual-channel mode.

12+2 teamed power stages for sustained delivery

The board employs 12+2 teamed power stages with ProCool connectors, alloy chokes and durable capacitors. This design keeps voltage stable during extended multi-core workloads rather than only in short bursts. PCIe 4.0 x16 and a primary M.2 slot run at full speed from the CPU.

WiFi 6E and 2.5 Gb LAN with LANGuard

On-board WiFi 6E (802.11ax) and Intel 2.5 Gb Ethernet provide high-throughput networking. ASUS LANGuard protects the LAN port against surges. HDMI 2.1 and DisplayPort 1.2 outputs are available when using a processor with integrated graphics.

How it compares

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

Price $126.99
Cheaper than about 68% of the 1,906 comparable items (median $224.49).

New to this? Buying PC parts with Monero — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameASUS
Product lineROG
Model nameSTRIX B550-F GAMING WIFI II
Processor
ProcessorSupports AMD Ryzen 5000 / 3000 Series Processors*
Supports AMD Ryzen 5000 / 4000 G-Series Processors*
* Refer to www.asus.com for CPU support list.
CPU socketAM4
ChipsetAMD B550
Memory
Memory slot count4 × 288pin (DDR4)
Supported memoryDDR4 5100(OC) / 4866(OC) / 4600(OC) / 4466(OC) / 4400(OC) / 4266(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3600(OC) / 3466(OC) / 3200 / 3000 / 2800 / 2666 / 2400 / 2133 (AMD Ryzen 5000 and 4000 G-Series Processors) *
DDR4 4800(OC) / 4666(OC) / 4600(OC) / 4400(OC) / 4266(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3400(OC) / 3200 / 3000 / 2933 / 2800 / 2666 / 2400 / 2133 (AMD Ryzen 5000 and 3000 Series Processors) *
* Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists).
Max supported RAM128 GB
Memory channelsDual Channel
Memory profilesIntel XMP 2.0
ECC supportECC Memory (ECC mode) support varies by CPU.
BufferingUn-buffered
Storage
SATA ports6 x SATA 6Gb/s
M.2 slotsAMD Ryzen 5000 and 3000 Series / 5000 and 4000 G-Series Desktop Processors:
M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 & SATA modes)
AMD B550 Chipset:
M.2_2 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 3.0 x4 & SATA modes)*
* When the M.2_2 Slot is populated , SATA6G_5/6 ports will be disabled.
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 channels7.1 Channels
Connectivity
Ethernet controllerIntel I225-V
Maximum network speed2.5 Gbit/s
Wi-Fi standardWi-Fi 6E
802.11a/b/g/n/ac/ax
Bluetooth support5.2
Ports & slots
PCIe 4.0 x16 slots1 x PCI Express 4.0 x16
PCIe 3.0 x16 slots1 x PCI Express 3.0 x16*
* Supports x4 mode.
* Share bandwidth with PCIe3.0 x1_1, PCIe3.0 x1_2, PCIe3.0 x1_3.
PCIe x1 slots3 x PCIe 3.0 x1
Onboard USB headers1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports
2 x USB 2.0 headers support additional 4 USB 2.0 ports
Power
Power connectors1 × 24-pin EATX Power connector(s)
1 × 8-pin ATX 12 V Power connector(s)
1 × 4-pin ATX 12 V Power connector(s)
Size & build
Form factorATX
Width and length12.0 in × 9.6 in
Shipping weight1.75 kg
Package size338 × 273 × 68 mm
Compatibility
Windows 11 supportSupported
More details
LightingRGB

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Questions about this item

How loud or hot does the 12+2 teamed power-stage VRM get when the board runs all day?

The 12+2 teamed power stages with ProCool connector, alloy chokes and durable capacitors are designed for sustained loads; actual noise and temperature depend on your CPU cooler, case airflow and ambient conditions.

Which components must I already own for this AM4 board to POST and boot?

You need a compatible AMD Ryzen 5000, 4000 G-Series or 3000 series processor, DDR4 memory modules, an ATX power supply with 24-pin and 8-pin EPS connectors, and a graphics card or a Ryzen G-Series APU for video output.

Will my existing PCIe 3.0 graphics card and SATA SSDs work at full speed in the PCIe 4.0 x16 slot and the six SATA 6Gb/s ports?

Yes — the PCIe 4.0 x16 slot is backward compatible with PCIe 3.0 cards, and all six SATA 6Gb/s ports run at the native SATA III rate for your current drives.

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