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Rectangular ATX board with grey and black heatsinks, silver I/O shield, four DDR5 slots, three covered M.2 slots

ASUS

ASUS TUF GAMING B850-PLUS WIFI AMD motherboard

SKU CH-1TJ3-VZTXA MPN TUF GAMING B850-PLUS WIFI

ATX motherboard for AMD Ryzen 7000, 8000 and 9000 series CPUs with DDR5 up to 8000 MT/s, PCIe 5.0 x16, one PCIe 5.0 M.2 plus two PCIe 4.0 M.2 slots, Wi-Fi 7, 2.5Gb LAN.

  • ProcessorRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
  • ChipsetAMD B850
  • Form factorATX
  • CPU socketAM5
  • Memory slot count4 × 288pin (DDR5)
  • Supported memoryUp to 8000+MT/s (OC)

Model TUF GAMING B850-PLUS WIFI

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  • Ready for AI workloads with AM5 socket supporting Ryzen 7000, 8000, 9000 series
  • Stable power delivery via 14+2+1 80A DrMOS stages and 8-layer PCB
  • Fast storage options with one PCIe 5.0 M.2 slot and two PCIe 4.0 M.2 slots
  • High-speed connectivity including Wi-Fi 7, 2.5Gb LAN, USB 20Gbps Type-C and 10Gbps Type-C
  • DIY-friendly features such as PCIe Q-Release, M.2 Q-Latch, Q-Antenna and BIOS FlashBack

Socket AM5 AI-ready platform

The ASUS TUF GAMING B850-PLUS WIFI is an ATX motherboard built for AMD Ryzen 7000, 8000 and 9000 series processors. It targets builders who want a durable foundation for gaming and AI workloads. The board delivers a 14+2+1 80A DrMOS power design with ProCool connectors and an eight-layer PCB.

PCIe 5.0 and 4.0 lane allocation

One PCIe 5.0 x16 slot runs at x16 with Ryzen 9000 and 7000 CPUs. Ryzen 8000 series CPUs operate the primary slot at PCIe 4.0 x8 or x4. A chipset-linked PCIe 4.0 x16 slot runs at x4 but is disabled when the third M.2 socket is populated. Two PCIe 4.0 x1 slots and four SATA 6Gb/s ports complete the expansion map.

DIY friendly installation features

Pre-mounted I/O shield, PCIe Slot Q-Release and M.2 Q-Latch simplify hardware fitting. Q-Antenna eases Wi-Fi 7 antenna attachment. BIOS FlashBack updates firmware without a CPU installed. Q-LED and Q-Dashboard give instant post-code feedback. The main M.2_1 socket accepts 2280 drives at PCIe 5.0 x4; M.2_2 supports 2242, 2260, 2280 and 22110 lengths at PCIe 4.0 x4.

How it compares

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

Price $175.99
Cheaper than about 57% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameASUS
Model nameTUF GAMING B850-PLUS WIFI
Part number90MB1J30-M0AAY0
Processor
ProcessorRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
CPU socketAM5
ChipsetAMD B850
Memory
Memory slot count4 × 288pin (DDR5)
Supported memoryUp to 8000+MT/s (OC)
Max supported RAM192 GB
Memory channelsDual Channel
Memory profilesAMD EXPO
ECC supportYes
BufferingUn-buffered
Storage
SATA ports4 x SATA 6Gb/s
SATA and RAID supportAMD RAIDXpert2 Technology supports both PCIe RAID 0/1/5/10 and SATA RAID 0/1/5/10. *
*RAID 5 Function is only supported by AMD Ryzen 9000 series CPU.
Audio & video
Audio chipRealtek ALC1220P
Sound channelsRealtek ALC1220P 7.1 Surround Sound High Definition Audio CODEC
- Impedance sense for front and rear headphone outputs
- Internal audio Amplifier to enhance the highest quality sound for headphone and speakers
- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking
- High quality 120 dB SNR stereo playback output and 113 dB SNR recording input (Line-in)
- Supports up to 32-Bit/192 kHz playback*
Audio Features
- Audio Shielding
- Premium audio capacitors
- Dedicated audio PCB layers
- Audio cover
- Unique de-pop circuit
* Due to limitations in HDA bandwidth, 32-Bit/192
Connectivity
Maximum network speed2.5 Gbit/s
Wi-Fi standardWi-Fi 802.11 be
Bluetooth support5.4
Ports & slots
PCIe 5.0 x16 slotsAMD Ryzen 9000 & 7000 Series Desktop Processors
1 x PCIe 5.0 x16 slot (supports x16 mode)
PCIe x1 slots2 x PCIe 4.0 x1
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 connectors
Size & build
Form factorATX
Width and length12.0 in × 9.6 in
Shipping weight1.91 kg
Package size356 × 279 × 76 mm
Compatibility
Windows 11 supportSupported
In the box
In the boxCables
2 x SATA 6Gb/s cables
Miscellaneous
1 x ASUS WiFi Q-Antenna
1 x TUF GAMING sticker
2 x M.2 rubber packages
Documentation
1 x Quick start guide
More details
BIOS256 Mb Flash ROM, UEFI AMI BIOS

Other versions of this model

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Questions about this item

Which M.2 slot should I use for the fastest PCIe 5.0 drive?

Use the M.2_1 slot; it supports PCIe 5.0 x4 mode with Ryzen 7000 or 9000 series CPUs.

What does the 8000+ MT/s memory rating mean once the board is built?

It is the maximum overclocked DDR5 speed achievable with EXPO or AEMP profiles; actual speed depends on the CPU memory controller and cooling.

What does the USB 20Gbps Type-C port cap in practice?

The rear USB 20Gbps Type-C port runs at USB 3.2 Gen 2x2 speeds; connected devices negotiate down to their own maximum supported rate.

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