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ASUS

ASUS B850 MAX GAMING WIFI W AMD motherboard

SKU CH-RF6Q-G233K MPN B850 MAX GAMING WIFI W

White ATX board for AMD AM5 CPUs with DDR5 up to 8000 MT/s, PCIe 5.0 graphics and M.2, Wi‑Fi 6E, 2.5 Gb LAN and USB 10 Gbps Type‑C

  • 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
  • AM5 socket supports Ryzen 7000, 8000 and 9000 series CPUs
  • 8+2+1 phase digital power design delivers stable CPU voltage
  • PCIe 5.0 x16 and M.2 slots enable 5.0 graphics and storage speed
  • Wi-Fi 6E and 2.5Gb Ethernet provide fast wired and wireless links
  • Rear USB 10Gbps Type-C and front USB 5Gbps Type-C give high-speed peripheral access

Advanced AI PC Platform

The ASUS B850 MAX GAMING WIFI W is an ATX motherboard built for the AMD AM5 socket. It supports Ryzen 7000, 8000 and 9000 series processors with a 10 phase power design and 256GB maximum DDR5 capacity across four slots.

PCIe 5.0 Ready Connectivity

The board provides one PCIe 5.0 x16 slot for graphics and one PCIe 5.0 M.2 2280 slot for storage when paired with Ryzen 9000 or 7000 CPUs. Rear I/O includes USB 10Gbps Type-C, Wi-Fi 6E and 2.5Gb LAN for fast data transfers.

Enthusiast Builder Focus

DIY features such as a pre-mounted I/O shield, BIOS FlashBack, Q-Antenna and Q-LED Core simplify assembly and troubleshooting. Builders needing more than three M.2 slots or legacy PCI support should evaluate alternative chipsets.

Highlights

  • AM5 socket supports Ryzen 7000, 8000 and 9000 series CPUs
  • 8+2+1 phase digital power design delivers stable CPU voltage
  • PCIe 5.0 x16 and M.2 slots enable 5.0 graphics and storage speed
  • Wi-Fi 6E and 2.5Gb Ethernet provide fast wired and wireless links
  • Rear USB 10Gbps Type-C and front USB 5Gbps Type-C give high-speed peripheral access

Specifications

BrandASUS
ModelB850 MAX GAMING WIFI W
Part Number90MB1M10-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
Memory FeatureDual channel memory architecture
Supports AMD Extended Profiles for Overclocking (EXPO)
ASUS Enhanced Memory Profile (AEMP)
* Non-ECC, un-buffered DDR5 memory supports On-Die ECC function.
PCI Express 5.0 x16AMD Ryzen 9000 & 7000 Series Desktop Processors*
1 x PCIe 5.0 x16 slot (supports x16 mode)
AMD Ryzen 8000 Series Desktop Processors
1 x PCIe 4.0 x16 slot (supports x8/x4 mode)**
PCI Express 4.0 x16AMD B850 Chipset
1 x PCIe 4.0 x16 slot (support x4 mode)
PCI Express 3.0 x162 x PCIe 3.0 x16 slots (support x1 mode)***
*** The PCIEX16(G3)_1/2 share bandwidth with SATA6G_1/2. The SATA6G_1/2 will be disabled when The PCIEX16(G3)_1 or PCIEX16(G3)_2 runs.
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 2280 (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 2280 (supports PCIe 4.0 x4/x2 mode)
AMD B850 Chipset
M.2_3 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x2 mode)
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 7.1 Surround Sound High Definition Audio CODEC*
- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking
- Supports up to 24-Bit/192 kHz playback
Audio Features
- Audio Shielding
- Premium audio capacitors
- Dedicated audio PCB layers
* A chassis with an HD audio module in the front panel is required to support 7.1 Surround Sound audio output.
Max LAN Speed2.5Gbps
Wireless LANWi-Fi 802.11 ax
BluetoothBluetooth 5.3
Back I/O Ports1 x USB 10Gbps port (1 x USB Type-C)
3 x USB 10Gbps ports (3 x Type-A)
2 x USB 5Gbps ports (2 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
3 x Audio jacks
1 x BIOS FlashBack button
Onboard USB1 x USB 5Gbps connector (supports USB Type-C)
1 x USB 5Gbps header supports 2 additional USB 5Gbps ports
3 x USB 2.0 headers support 6 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 header
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 S/PDIF Out header
1 x SPI TPM header (14-1 pin)
1 x 10-1 pin 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
1 x 8-pin +12V CPU Power connectors
1 x 4-pin +12V CPU Power connectors
BIOS Feature256 Mb Flash ROM, UEFI AMI BIOS
SoftwareASUS Exclusive Software
Armoury Crate
- Aura Creator
- Aura Sync
- Fan Xpert 2+
- Power Saving
ASUS AI Advisor
ASUS Driver Hub
ASUS GlideX
TurboV Core
ASUS CPU-Z
Adobe Creative Cloud (Free Trial)
Norton 360 Deluxe (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 5X PROTECTION III
- DIGI+ VRM
- LANGuard
- Overvoltage protection
- SafeSlot
- Stainless-steel back I/O
ASUS Q-Design
- Q-Antenna
- Q-Dashboard
- Q-DIMM
- Q-LED Core
- Q-Slot
ASUS Thermal Solution
- Flexible M.2 heatsink
- VRM heatsink design
ASUS EZ DIY
- BIOS FlashBack button
- BIOS FlashBack LED
- Pre-mounted I/O shield
- SafeSlot
Aura Sync
- Addressable RGB Gen 2 headers
Shipping weight1.47 kg
Package size356 × 279 × 76 mm

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Questions about this item

How often will the VRM heatsink and M.2 heatsinks need cleaning or replacement?

The VRM and M.2 heatsinks are passive components with no moving parts and do not require scheduled cleaning or replacement under normal operation.

What limits sustained performance first — the 8+2+1 phase power design or the VRM thermal capacity?

The 8+2+1 phase digital power design delivers stable current, while the VRM heatsink and 6-layer PCB manage heat; the thermal capacity of the VRM area becomes the practical limit during extended heavy loads.

How loud and hot does the board get when the 2.5Gb LAN and Wi-Fi 6E run all day?

The motherboard itself has no active cooling, so it adds no fan noise; the VRM and PCH heatsinks dissipate heat passively, keeping temperatures low during continuous network traffic.

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