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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.

  • CPU Socket TypeAM5
  • CPU TypeRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
  • ChipsetAMD B850
  • Number of Memory Slots4x288pin (DDR5)
  • Memory StandardUp to 8000+MT/s (OC)
  • Maximum Memory Supported192GB

Option TUF GAMING B850-PLUS WIFI

Struck-through versions exist but are not stocked here.

  • 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.

Highlights

  • 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

Specifications

BrandASUS
ModelTUF GAMING B850-PLUS WIFI
Part Number90MB1J30-M0AAY0
CPU Socket TypeAM5
CPU TypeRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
ChipsetAMD B850
Number of Memory Slots4x288pin (DDR5)
Memory StandardUp to 8000+MT/s (OC)
Maximum Memory Supported192GB
Channel SupportedDual Channel
Memory Performance ProfileAMD EXPO
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 (supports x16 mode)
PCI Express 4.0 x16AMD Ryzen 8000 Series Desktop Processors
1 x PCIe 4.0 x16 slot (supports x8/x4 mode)**
AMD B850 Chipset
1 x PCIe 4.0 x16 slot (supports x4 mode)***
*** The PCIEX16(G4) shares bandwidth with M.2_3. The PCIEX16(G4) will be disabled when M.2_3 runs.
PCI Express x12 x PCIe 4.0 x1
Serial ATA (SATA)4 x SATA 6Gb/s
M.2AMD Ryzen 9000 & 7000 Series Desktop Processors
M.2_1 slot (Key M), type 2280 (supports PCIe 5.0 x4 mode)
M.2_2 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 mode)
AMD Ryzen 8000 Series Desktop Processors
M.2_1 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode)
M.2_2 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4/x2 mode)**
AMD B850 Chipset
M.2_3 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode)***
*** The PCIEX16(G4) shares bandwidth with M.2_3. The PCIEX16(G4) will be disabled when M.2_3 runs.
SATA RAIDAMD 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 ChipsetRealtek ALC1220P
Audio 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
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 (3 x Type-A)
4 x USB 5Gbps ports (4 x Type-A)
2 x USB 2.0 ports (2 x Type-A)
1 x DisplayPort
1 x HDMI port
1 x Wi-Fi module
1 x Realtek 2.5Gb Ethernet port
5 x Audio jacks
1 x BIOS FlashBack 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 Clear CMOS header
1 x Chassis Intrusion header
1 x COM Port header
1 x Front Panel Audio header (F_AUDIO)
1 x 10-1 pin Front System Panel 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 connectors
BIOS Feature256 Mb Flash ROM, UEFI AMI BIOS
SoftwareASUS Exclusive Software
Armoury Crate
- Aura Creator
- Aura Sync
- Fan Xpert 4
- Power Saving
ASUS DriverHub
ASUS GlideX
TurboV Core
TUF GAMING CPU-Z
DTS Audio Processing
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
FeaturesASUS TUF PROTECTION
- DIGI+ VRM (- Digital power design with DrMOS)
- ESD Guards
- TUF LANGuard
- Overvoltage protection
- SafeSlot
- Stainless-steel back I/O
ASUS Q-Design
- M.2 Q-Latch
- PCIe Slot Q-Release
- Q-Antenna
- Q-Dashboard
- Q-DIMM
- Q-LED (CPU [red], DRAM [yellow], VGA [white], Boot Device [yellow green])
ASUS Thermal Solution
- M.2 heatsink
- VRM heatsink design
ASUS EZ DIY
- BIOS FlashBack button
- BIOS FlashBack LED
- ProCool
- Pre-mounted I/O shield
- SafeDIMM
Aura Sync
- Addressable Gen 2 headers
Package ContentsCables
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
Shipping weight1.91 kg
Package size356 × 279 × 76 mm

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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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