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ASUS ROG STRIX B850-F motherboard and Ryzen 7 9700X processor in ATX form factor with dark heatsinks and integrated I/O shield

ASUS

ASUS ROG STRIX B850-F GAMING WIFI + Ryzen 7 9700X Combo

SKU CH-3A16-73G85

ATX AM5 board with 8-core Ryzen 7 9700X, 16+2+2 80A power stages, four DDR5 slots to 192GB, two PCIe 5.0 M.2, WiFi 7, 2.5GbE and 20Gbps USB-C

  • CPU socketAM5
  • ChipsetAMD B850
  • Form factorATX
  • Memory slot count4 × 288pin (DDR5)
  • Max supported RAM192 GB
  • Memory channelsDual Channel

Motherboard ROG STRIX B850-F GAMING WIFI

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CPU + Ryzen 7 9700X

  • Ready for advanced AI workloads with power and connectivity for demanding applications
  • 16+2+2 power stages rated at 80A each with dual ProCool connectors for multi-core stability
  • Two PCIe 5.0 and two PCIe 4.0 M.2 slots with substantial cooling for fast storage expansion
  • Onboard WiFi 7 and Intel 2.5 Gb Ethernet plus Bluetooth 5.4 for high-performance networking
  • AMD Ryzen 7 9700X with 8 cores and 16 threads on Zen 5 architecture for 100+ FPS gaming

Ready for Advanced AI PC

This combo pairs the ASUS ROG STRIX B850-F GAMING WIFI motherboard with the AMD Ryzen 7 9700X processor. The board uses the AMD B850 chipset on an AM5 socket with a 16+2+2 power solution rated for 80A per stage. It supports DDR5 memory up to 192GB across four 288-pin slots with dual channel architecture. The CPU delivers 8 cores and 16 threads built on the Zen 5 architecture for high frame rates in games.

Suits builders wanting WiFi 7 and PCIe 5.0 storage

The platform includes on-board WiFi 7 (802.11be), Bluetooth 5.4, and Intel 2.5 Gb Ethernet for fast networking. Two PCIe 5.0 M.2 slots and two PCIe 4.0 M.2 slots provide substantial high-speed storage capacity with heatsinks. Builders needing 10 SATA ports or legacy memory support should consider a different platform.

Fits an ATX build with dual ProCool power

The motherboard requires an ATX case and dual ProCool power connectors for the robust VRM. Four M.2 slots with cooling free up drive bays, while 19 USB ports including a 20Gbps Type-C front header reduce the need for extra controllers. A PCIe 5.0 x16 SafeSlot with Q-Release Slim secures modern graphics cards. The Realtek ALC4080 codec drives 7.1 surround sound without a separate sound card.

How it compares

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

Price $733.99
Pricier than about 76% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameASUS
Model nameROG STRIX B850-F GAMING WIFI+R7 9700X
Processor
CPU socketAM5
ChipsetAMD B850
Memory
Memory slot count4 × 288pin (DDR5)
Max supported RAM192 GB
Memory channelsDual Channel
ECC supportYes
BufferingUn-buffered
Storage
SATA ports2 x SATA 6Gb/s
SATA and RAID support0/1/5/10
Audio & video
Audio chipRealtek ALC4080
Sound channelsROG SupremeFX 7.1 Surround Sound High Definition Audio CODEC ALC4080*
- Impedance sense for front and rear headphone outputs
- Supports: Jack-detection, Multi-streaming, Front Panel MIC Jack-retasking
- High quality 120 dB SNR stereo playback output and 110 dB SNR recording input
- Supports up to 32-Bit/384 kHz playback on front panel
Audio Features
- SupremeFX Shielding Technology
- Savitech SV3H712 AMP
- Rear optical S/PDIF out port
- Premium audio capacitors
- Audio cover
Connectivity
Maximum network speed2.5 Gbit/s
Wi-Fi standardWi-Fi 802.11 be
Bluetooth support5.4
Ports & slots
Onboard USB headers1 x USB 10 Gbit/s connector (supports USB Type-C)
1 x USB 5 Gbit/s header supports 2 additional USB 5 Gbit/s ports
2 x USB 2.0 headers support 4 additional USB 2.0 ports
Power
Power connectors1 × 24-pin Main Power connector
2 × 8-pin +12 V CPU Power connector
Size & build
Form factorATX
Width and length12.0 in × 9.6 in
Compatibility
Windows 11 supportSupported
More details
BIOS256 Mb Flash ROM, UEFI AMI BIOS

Other versions of this model

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Questions about this item

What DDR5 memory kit do I need to install so the board and the Ryzen 7 9700X will post?

You need unbuffered DDR5 DIMMs in the 288-pin form factor; the board has four slots and supports up to 192 GB total in dual-channel mode with EXPO or AEMP profiles.

Will my existing PCIe 4.0 graphics card and SATA SSDs work at full speed in the PCIe 5.0 x16 slot and the two SATA 6 Gb/s ports?

Yes — the primary x16 slot runs at PCIe 5.0 with Ryzen 9000 and 7000 CPUs, and the two SATA ports deliver 6 Gb/s regardless of which supported processor is installed.

How can I confirm WiFi 7 and Bluetooth 5.4 are active after I finish the build?

In Windows Device Manager the wireless adapter will show as 802.11be and the Bluetooth radio as version 5.4; the Intel 2.5 Gb Ethernet port will also appear as a separate 2.5 Gbps link.

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