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ATX motherboard in white finish with hidden rear connectors and metal heatsinks

ASUS

ASUS TUF GAMING B850-BTF WIFI W AMD motherboard

SKU CH-8EN1-7412S MPN TUF GAMING B850-BTF WIFI W

AM5 ATX board with hidden-connector design, 14+2+1 80A DrMOS stages, DDR5 to 8000 MT/s, PCIe 5.0 x16 and M.2, Wi-Fi 7, 2.5Gb LAN, USB 20Gbps Type-C and 600W graphics slot

  • ProcessorRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
  • ChipsetAMD B850
  • Form factorATX
  • CPU socketAM5
  • Memory slot count4 × 288pin (DDR5)
  • Supported memorySupports up to 8000+MT/s(OC)
  • Clean cable routing with hidden-connector design
  • Stable 14+2+1 phase 80A DrMOS power delivery
  • PCIe 5.0 x16 slot plus one PCIe 5.0 M.2 for speed
  • Wi-Fi 7 and 2.5Gb LAN for fast networking
  • Rear USB 20Gbps Type-C and front USB 10Gbps Type-C connectivity

AM5 socket for Ryzen 7000 8000 9000

The ASUS TUF GAMING B850-BTF WIFI W is an ATX motherboard built for AMD Ryzen 7000 8000 9000 series processors. It targets DIY builders who want a clean interior and strong power delivery. The hidden-connector design routes key cables to the rear for easier routing. A 14 plus 2 plus 1 80A DrMOS stage VRM with 8 layer PCB and 8 plus 8 pin ProCool connectors feeds the CPU.

One PCIe 5.0 M.2 slot and two PCIe 4.0 M.2 slots

Storage expansion centres on three M.2 sockets all fitted with heatsinks. The primary slot runs at PCIe 5.0 x4 with Ryzen 9000 and 7000 CPUs while the second and third operate at PCIe 4.0 x4 or x2 depending on the processor generation. Four SATA 6Gb/s ports and AMD RAIDXpert2 RAID 0 1 5 10 support round out the storage options.

Wi-Fi 7 2.5Gb LAN USB 20Gbps Type-C for high

Network and I/O include Wi-Fi 7 Realtek 2.5Gb Ethernet rear USB 20Gbps Type-C front USB 10Gbps Type-C header and a Thunderbolt USB4 header. The graphics card high-power slot can deliver up to 600 watts through the board. Builders needing more than three M.2 drives or legacy PCI slots should consider other models.

How it compares

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

Price $209.99
Typical for this category: the median of 1,906 items is $224.49.

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Specifications

Product
Brand nameASUS
Model nameTUF GAMING B850-BTF WIFI W
Part number90MB1KW0-MVAAY0
Processor
ProcessorRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
CPU socketAM5
ChipsetAMD B850
Memory
Memory slot count4 × 288pin (DDR5)
Supported memorySupports up to 8000+MT/s(OC)
Max supported RAM256 GB
Memory channelsDual Channel
Memory profilesAMD EXPO
ECC supportNon-ECC
BufferingUn-buffered
Storage
SATA ports4 x SATA 6Gb/s
SATA and RAID supportAMD RAIDXpert2 Technology
Ryzen 9000 Series Processors: RAID 0/1/5/10
Ryzen 8000 Series Processors: RAID 0/1
Ryzen 7000 Series Processors: RAID 0/1/10
Audio & video
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 slots1 x PCI Express 5.0 x16
PCIe 4.0 x16 slots1 x PCI Express 4.0 x16
PCIe x1 slots1 x PCI Express 4.0 x1
Size & build
Form factorATX
Width and length12.0 in × 9.6 in
Shipping weight2.11 kg
Package size356 × 269 × 71 mm
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

Questions about this item

What does the 14+2+1 80A DrMOS power stage count mean for daily use?

It gives the board 14 core phases, two SOC phases and one auxiliary phase, each rated at 80 amps, so the VRM runs cool even when a high-wattage Ryzen 7000, 8000 or 9000 series CPU is under sustained load.

What does the PCIe 5.0 x16 slot actually cap at with current graphics cards?

The slot is wired for PCIe 5.0 x16 bandwidth, but today’s GPUs top out at PCIe 4.0 x16, so the extra headroom simply future-proofs the board for next-generation cards.

What clearance does the hidden-connector design need inside the case?

The rear-mounted power and data headers require a chassis with a cut-out behind the motherboard tray deep enough for the 8+8 pin ProCool cables and front-panel USB 20Gbps Type-C connector to plug in without bending.

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