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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

  • CPU Socket TypeAM5
  • CPU TypeRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
  • ChipsetAMD B850
  • Number of Memory Slots4x288pin (DDR5)
  • Memory StandardSupports up to 8000+MT/s(OC)
  • Maximum Memory Supported256GB
  • 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.

Highlights

  • 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

Specifications

BrandASUS
ModelTUF GAMING B850-BTF WIFI W
Part Number90MB1KW0-MVAAY0
CPU Socket TypeAM5
CPU TypeRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
ChipsetAMD B850
Number of Memory Slots4x288pin (DDR5)
Memory StandardSupports up to 8000+MT/s(OC)
Maximum Memory Supported256GB
Channel SupportedDual Channel
Memory Performance ProfileAMD EXPO
ECC SupportedNon-ECC
Buffer SupportedUn-buffered
PCI Express 5.0 x161 x PCI Express 5.0 x16
PCI Express 4.0 x161 x PCI Express 4.0 x16
PCI Express x11 x PCI Express 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 M.2_3 slot shares bandwidth with the PCIEX16(G4) slot. When the PCIEX16(G4) slot is operating, the M.2_3 slot will be disabled.
SATA RAIDAMD 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 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
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 RGB 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 Panel System header
1 x Thunderbolt (USB4) header
BTF Related
1 x 12V-2X6 Auxiliary Power connector
1 x Graphics Card High-Power slot
Form FactorATX
Dimensions (W x L)12.0" x 9.6"
BIOS Feature256 Mb Flash ROM, UEFI AMI BIOS
SoftwareASUS Exclusive Software
Armoury Crate
- Aura Creator
- Aura Sync
- Fan Xpert 4
- Power Saving
ASUS AI Advisor
ASUS DriverHub
ASUS GlideX
TurboV Core
TUF GAMING CPU-Z
DTS Audio Processing
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
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
- M.2 Q-Release
- 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
- VRM heatsink design
ASUS EZ DIY
- BIOS FlashBack button
- BIOS FlashBack LED
- ProCool
- Pre-mounted I/O shield
- SafeDIMM
Aura Sync
- Addressable RGB 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 weight2.11 kg
Package size356 × 269 × 71 mm

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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