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Black ATX motherboard with massive silver heatsinks, integrated I/O shield, four DDR5 slots, PCIe 5.0 x16 slot, four M.2 heatsinks

ASUS

ASUS ROG STRIX B850-F GAMING WIFI AMD motherboard

SKU CH-3MM3-Q97DV

Supports Ryzen 9000, 8000 and 7000 CPUs on AM5 with 16+2+2 80A power stages, DDR5 up to 192GB, two PCIe 5.0 M.2 slots, WiFi 7 and 2.5Gb Ethernet

  • CPU Socket TypeAM5
  • ChipsetAMD B850
  • Number of Memory Slots4x288pin (DDR5)
  • Maximum Memory Supported192GB
  • Channel SupportedDual Channel
  • ECC SupportedYes
  • Ready for AMD Ryzen 9000, 8000 and 7000 series processors with AM5 socket
  • 16+2+2 power stages rated 80A each with dual ProCool connectors for stable multi-core performance
  • Two PCIe 5.0 M.2 slots plus two PCIe 4.0 M.2 slots, all with substantial cooling solutions
  • On-board WiFi 7 and Intel 2.5 Gb Ethernet for high-performance networking
  • 19 USB ports total including one 20Gbps Type-C front-panel connector and four 10Gbps ports

AM5 Socket AMD B850 Motherboard

The ASUS ROG STRIX B850-F GAMING WIFI is an ATX board for AMD Ryzen 7000, 8000 and 9000 series processors. It targets builders who want AI-ready compute, high-speed storage and modern networking in a single platform. The 16+2+2 power stage design rated at 80A per stage with dual ProCool connectors delivers stable current for multi-core workloads.

192GB DDR5 Capacity Four M.2 Slots

Four DDR5 slots support up to 192GB in dual-channel mode with ECC and AEMP profiles for simplified tuning. Storage headroom comes from two PCIe 5.0 M.2 slots (2242/2260/2280 and 2280/22110) plus two PCIe 4.0 M.2 slots, all with substantial heatsinks. Two SATA 6Gb/s ports remain for legacy drives.

WiFi 7 2.5Gb Ethernet AI Networking II

Onboard WiFi 7 (802.11be) and Intel 2.5Gb Ethernet combine with AI Networking II to optimise traffic for gaming and AI workloads. Rear I/O includes one USB 20Gbps Type-C, four USB 10Gbps ports and HDMI. Realtek ALC4080 drives 7.1 surround with impedance sensing. Aura Sync ties lighting into the wider ecosystem.

Highlights

  • Ready for AMD Ryzen 9000, 8000 and 7000 series processors with AM5 socket
  • 16+2+2 power stages rated 80A each with dual ProCool connectors for stable multi-core performance
  • Two PCIe 5.0 M.2 slots plus two PCIe 4.0 M.2 slots, all with substantial cooling solutions
  • On-board WiFi 7 and Intel 2.5 Gb Ethernet for high-performance networking
  • 19 USB ports total including one 20Gbps Type-C front-panel connector and four 10Gbps ports

Specifications

BrandASUS
ModelROG STRIX B850-F GAMING WIFI
Part Number90MB1J70-M0AAY0
CPU Socket TypeAM5
ChipsetAMD B850
Number of Memory Slots4x288pin (DDR5)
Maximum Memory Supported192GB
Channel SupportedDual Channel
ECC SupportedYes
Buffer SupportedUn-buffered
Memory FeatureDual channel memory architecture
Supports AMD Extended Profiles for Overclocking (EXPO)
ASUS Enhanced Memory Profile (AEMP)
PCI Express 5.0 x16AMD Ryzen 9000 & 7000 Series Desktop Processors
- 1 x PCIe 5.0 x16 slot with Q-Release Slim
AMD Ryzen 8000 Series Desktop Processors
- 1 x PCIe 5.0 x16 slot with Q-Rlease Slim (supports PCIe 4.0 x8 or x4 mode)*
PCI Express 4.0 x161 x PCIe 4.0 x16 slot (supports x4 mode)**
* Specifications vary by CPU types.
** PCIEX16(G4) slot (supports x4 mode) from AMD B850 Chipset shares bandwidth with M.2_3
Serial ATA (SATA)2 x SATA 6Gb/s
M.2AMD Ryzen 7000 & 9000 Series Desktop Processors
M.2_1 (Key M), type 2242/2260/2280 (supports PCIe 5.0x4 mode)
M.2_2 (Key M), type 2280/22110 (supports PCIe 5.0 x4 mode)
AMD Ryzen 8000 Series Desktop Processors
M.2_1 (Key M), type 2242/2260/2280 (supports PCIe 4.0x4 mode)
M.2_2 (Key M), type 2280/22110 (supports PCIe 4.0 x4/x2 mode)
AMD B850 Chipset
M.2_3 (Key M), type 2280 (supports PCIe 4.0 x4)**
M.2_4 (Key M), type 2280 (supports PCIe 4.0 x4)
** M.2_3 slot shares bandwidth with PCIEX16(G4). When PCIEX16(G4) slot is operating, M.2_3 will be disabled.
SATA RAID0/1/5/10
Audio ChipsetRealtek ALC4080
Audio 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
Max LAN Speed2.5Gbps
Wireless LANWi-Fi 802.11 be
BluetoothBluetooth 5.4
Back I/O Ports1 x USB 20Gbps port (1 x USB Type-C)
3 x USB 10Gbps ports (2 x Type-A + 1 x USB Type-C)
4 x USB 5Gbps ports (4 x Type-A)
4 x USB 2.0 ports (4 x Type-A)
1 x DisplayPort
1 x HDMI port
1 x Wi-Fi module
1 x Intel 2.5Gb Ethernet port
2 x Audio jacks
1 x Optical S/PDIF out port
1 x BIOS FlashBack button
1 x Clear CMOS button
Onboard USB1 x USB 10Gbps connector (supports USB Type-C)
1 x USB 5Gbps header supports 2 additional USB 5Gbps ports
2 x USB 2.0 headers support 4 additional USB 2.0 ports
Other ConnectorsFan and Cooling Related
1 x 4-pin CPU Fan header
1 x 4-pin CPU OPT Fan header
1 x 4-pin AIO Pump header
4 x 4-pin Chassis Fan headers
Miscellaneous
3 x Addressable Gen 2 headers
1 x CPU Over voltage jumper
1 x Front Panel Audio header (F_AUDIO)
1 x Power button
1 x 10-1 pin Front System Panel header
1 x Thermal Sensor header
1 x Thunderbolt (USB4) header
Form FactorATX
Dimensions (W x L)12.0" x 9.6"
Power Pin1 x 24-pin Main Power connector
2 x 8-pin +12V CPU Power connector
BIOS Feature256 Mb Flash ROM, UEFI AMI BIOS
SoftwareROG Exclusive Software
- ROG CPU-Z
- Dolby Atmos
ASUS Exclusive Software
Armoury Crate
- AIDA64 Extreme (60 days free trial)
- Aura Creator
- Aura Sync
- Fan Xpert 4
- GameFirst
- HWiNFO
- Power Saving
ASUS DriverHub
ASUS GlideX
TurboV Core
Adobe Creative Cloud (Free Trial)
Norton 360 for Gamers (60 Days Free Trial)
WinRAR (40 Days Free Trial)
UEFI BIOS
ASUS EZ DIY
- ASUS CrashFree BIOS 3
- ASUS EZ Flash 3
- ASUS UEFI BIOS EZ Mode
- ASUS MyHotkey
Windows 11Supported
FeaturesExtreme Engine Digi+
- 5K Black metallic capacitors
ASUS Q-Design
- M.2 Q-Latch
- M.2 Q-Release
- M.2 Q-Slide
- PCIe Slot Q-Release Slim (with PCIe SafeSlot)
- Q-Antenna
- Q-Dashboard
- Q-DIMM
- Q-LED (CPU [red], DRAM [yellow], VGA [white], Boot Device [yellow green])
- Q-Slot
ASUS Thermal Solution
- M.2 heatsink backplate
- M.2 heatsink
ASUS EZ DIY
- BIOS FlashBack button
- BIOS FlashBack LED
- Clear CMOS button
- ProCool
- Pre-mounted I/O shield
- SafeSlot
- SafeDIMM
Aura Sync
- Addressable Gen 2 headers
Package ContentsCables
2 x SATA 6Gb/s cables
Miscellaneous
1 x ASUS WiFi Q-Antenna
1 x Cable ties package
1 x M.2 Q-Latch package
1 x M.2 Q-Slide package
1 x ROG key chain
1 x ROG Strix stickers
4 x M.2 rubbers
Documentation
1 x Quick start guide

Questions about this item

Can I keep my DDR5 modules when moving to this AM5 board?

The board has four 288-pin DDR5 slots supporting up to 192 GB in dual-channel mode with EXPO and AEMP profiles.

How can I verify the 16+2+2 power delivery and WiFi 7 are active after build?

Check the AI Advisor dashboard in Armoury Crate for power-stage readings and confirm the Wi-Fi 7 (802.11be) link speed in network settings.

Which M.2 screws and Wi-Fi antennas are included versus items I must source?

The box contains M.2 standoffs, heatsink screws and two external antennas; drives, CPU cooler and memory are purchased separately.

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