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Black ATX motherboard with large silver heatsinks, integrated rear I/O shield

ASUS

ASUS ROG STRIX B850-F GAMING WIFI AMD motherboard & Ryzen 7 9800X3D CPU Combo

SKU CH-D49M-AH6TT

AM5 motherboard paired with a Ryzen 7 9800X3D CPU, DDR5 to 192 GB, 16+2+2 power stages, two PCIe 5.0 M.2 slots, WiFi 7 and 2.5 Gb Ethernet

  • 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 9800X3D

  • Supports Ryzen 9000, 8000 and 7000 series processors via AM5 socket
  • 16+2+2 power stages rated at 80A each with dual ProCool connectors
  • Up to 192GB DDR5 across four 288-pin slots with EXPO and AEMP
  • Two PCIe 5.0 and two PCIe 4.0 M.2 slots with substantial cooling solutions
  • WiFi 7 and 2.5Gbps Ethernet plus Bluetooth 5.4 for high-speed connectivity

Combo motherboard and CPU for AM5 builders

This bundle pairs the ROG STRIX B850-F GAMING WIFI board with a Ryzen 7 9800X3D processor. The AM5 socket supports Ryzen 7000, 8000 and 9000 series chips. Four DDR5 slots accept up to 192 GB of memory in dual-channel mode. The kit targets enthusiasts who want a ready-matched platform for gaming and AI workloads.

Sustained load power delivery and thermal design

A 16+2+2 power stage array rated at 80 A per stage feeds the CPU through dual ProCool connectors. Alloy chokes and durable capacitors maintain stable voltage during long rendering or compile sessions. Massive heatsinks with an integrated I/O cover and a high-conductivity thermal pad dissipate heat from the VRM and M.2 areas without active cooling.

PCIe 5.0 M.2 capacity for fastest storage

Two onboard M.2 slots run at PCIe 5.0 x4, accepting 2242, 2260, 2280 and 22110 form factors. Two additional slots operate at PCIe 4.0 x4. All four slots include substantial cooling solutions. This density of high-speed storage lanes decides whether the board fits a workflow that moves large datasets continuously.

How it compares

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

Price $938.99
Pricier than about 85% 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 9800 × 3D
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

How hot or loud does the 16+2+2 power solution rated for 80A per stage run during all-day loads?

Massive heatsinks with an integrated I/O cover and high-conductivity thermal pad are designed to dissipate heat from the robust power solution, keeping temperatures controlled during sustained multi-core workloads.

Which DDR5 memory kit do I need to have on hand before this combo will post?

Four 288-pin DDR5 slots support up to 192GB in dual-channel mode with EXPO and AEMP profiles, so any compatible DDR5 kit within that capacity will work.

Will my existing PCIe 4.0 graphics card and SATA drives work in the PCIe 5.0 x16 slot and SATA 6Gb/s ports?

The PCIe 5.0 x16 slot with Q-Release Slim is backward compatible with PCIe 4.0 graphics cards, and two SATA 6Gb/s ports accept existing SATA drives directly.

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