B850M MAX GAMING WIFI DDR5

AMD Socket AM5 for AMD Ryzen™ 9000 & 8000 & 7000 Series Desktop Processors*
Supports up to AMD 170W CPU

* Refer to https://www.asus.com/support/download-center/ for CPU support list.

AMD

AM5

AMD B850

4 x DIMM slots, max. 256GB, DDR5 Supports up to 8000+MT/s (OC) with Ryzen™ 9000 & 8000 & 7000 Series Processors, ECC and Non-ECC Un-buffered DIMM*

Dual channel memory architecture
Supports AMD Extended Profiles for Overclocking (EXPO™)
ASUS Enhanced Memory Profile (AEMP)

* Supported memory types, data rate (speed), and number of DRAM modules vary depending on the CPU and memory configuration, for more information please refer to CPU/Memory Support list under the Support tab of product information site or visit

https://www.asus.com/support/download-center/. Adjustments will be made based on the specifications of mass-produced memory products available on the market.

* Non-ECC, un-buffered DDR5 memory supports On-Die ECC function.

8000

1 x DisplayPort**
1 x HDMI™ port***  

* Graphics specifications may vary between CPU types. Please refer to AMD CPU specifications.
** Supports max. 8K@30Hz as specified in DisplayPort 1.4.
*** Supports 4K@60Hz as specified in HDMI 2.1.

None

Realtek 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.

AMD Ryzen™ 9000 & 7000 Series Desktop Processors*
1 x PCIe 5.0 x16 slot (supports x16 mode)
3 x PCIe 4.0 x16 slot (support x1 mode)

AMD Ryzen™ 8000 Series Desktop Processors
1 x PCIe 4.0 x16 slot (supports x8/x4 mode)**
3 x PCIe 4.0 x16 slot (support x1 mode)

* Please check the PCIe bifurcation table on the support site (https://www.asus.com/support/FAQ/1037507/).
** Specifications vary by CPU types.

- To ensure compatibility of the device installed, please refer to https://www.asus.com/support/download-center/ for the list of supported

PCIe 5.0

Supports 3 x M.2 slots and 4 x SATA 6Gb/s ports

AMD Ryzen™ 9000 & 7000 Series Desktop Processors
M.2_1 slot (Key M), type 2280 (supports PCIe 5.0 x4 mode)

AMD Ryzen™ 8000 Series Desktop Processors
M.2_1 slot (Key M), type 2280 (supports PCIe 4.0 x4 mode)*

AMD B850 Chipset
M.2_2 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 mode)
M.2_3 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x2 mode)

4 x SATA 6Gb/s ports

* Specifications vary by CPU types.

AMD 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

NVMe

3

Rear USB (Total 9 ports)
2 x USB 10Gbps ports (1 x Type-A + 1 x USB Type-C®)
2 x USB 5Gbps ports (2 x Type-A)
5 x USB 2.0 ports (5 x Type-A)

Front USB (Total 9 ports)
1 x USB 5Gbps connector (supports USB Type-C®)
2 x USB 5Gbps header support 4 additional USB 5Gbps ports
2 x USB 2.0 headers support 4 additional USB 2.0 ports

* USB Type-C® power delivery output: max. 5V/3A

Fan 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

Power Related
1 x 24-pin Main Power connector
1 x 8-pin +12V CPU Power connectors
1 x 4-pin +12V CPU Power connectors

Storage Related
3 x M.2 slots (Key M)
4 x SATA 6Gb/s ports

USB
1 x USB 5Gbps connector (supports USB Type-C® )
2 x USB 5Gbps header support 4 additional USB 5Gbps ports
2 x USB 2.0 headers support 4 additional USB 2.0 ports
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

2 x USB 10Gbps ports (1 x Type-A + 1 x USB Type-C®)
2 x USB 5Gbps ports (2 x Type-A)
5 x USB 2.0 ports (5 x Type-A)
1 x DisplayPort
1 x HDMI™ port
1 x Wi-Fi module
1 x Realtek 1Gb Ethernet port
3 x Audio jacks
1 x BIOS FlashBack™ button

1 x Realtek 1Gb Ethernet
ASUS LANGuard

Wi-Fi 6
1x1 Wi-Fi 6 (802.11ax)
Supports 2.4/5GHz frequency band
Bluetooth® v5.4*

* The Bluetooth® version may vary, please refer to the Wi-Fi module manufacturer's website for the latest specifications.

Micro ATX

N/A

256 Mb Flash ROM, UEFI AMI BIOS

ASUS 5X PROTECTION III
- DIGI+ VRM
- LANGuard
- Overvoltage protection
- SafeSlot
- Stainless-steel back I/O

ASUS Q-Design
- Q-Dashboard
- Q-DIMM
- Q-LED Core
- Q-Slot

ASUS Thermal Solution
- 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

ASUS Exclusive Software

Armoury Crate
- Aura Creator
- Aura Sync
- Fan Xpert 2+

ASUS AI Advisor
ASUS Driver Hub
ASUS GlideX
TurboV Core
ASUS CPU-Z
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

Windows® 11, Windows® 10 64-bit

2 x SATA 6Gb/s cables
1 x ASUS Wi-Fi moving antenna
2 x Screw packages for M.2 SSD
1 x Quick start guide