ASUS PRIME B850M-A WIFI-CSM - AM5

PRIME B850M-A WIFI-CSM

ASUS Prime series motherboards are expertly engineered to unleash the full potential of AMD Ryzen™ 9000 series processors. The PRIME B850M-A WIFI-CSM motherboard provides users and PC DIY builders with a range of performance optimizations via intuitive software and firmware features. It’s designed to be Advanced AI PC-ready, offering the power and connectivity needed for demanding AI applications.

SPECIFICATION :

Model
PRIME B850M-A WIFI-CSM

News & Updates
Please visit our GLOBAL website to check and download the latest updates.

CPU
AMD Socket AM5 for AMD Ryzen™ 9000 & 8000 & 7000 Series Desktop Processors*

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

Chipset
AMD B850 Chipset

Memory
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.

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

Graphics
2 x DisplayPort**
1 x HDMI™ port***
** Supports max. 8K@30Hz as specified in DisplayPort 1.4.
*** Supports 4K@60Hz as specified in HDMI 2.1.

Expansion Slots
AMD 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)**
  AMD B850 Chipset

• 1 x PCIe 4.0 x16 slot (supports x1 mode)
  ** Specifications vary by CPU types.

• Please refer to https://www.asus.com/support/FAQ/1037507/ for compatibility details.

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

AMD Ryzen™ 9000 & 7000 Series:

• M.2_1: PCIe 5.0 x4

• M.2_2: PCIe 4.0 x4

AMD Ryzen™ 8000 Series:

• M.2_1: PCIe 4.0 x4

• M.2_2: PCIe 4.0 x4/x2*

AMD B850 Chipset:

• M.2_3: PCIe 4.0 x4

• 4 x SATA 6Gb/s ports

• Specifications vary by CPU types.

AMD RAIDXpert2 Technology

• Ryzen™ 9000: RAID 0/1/5/10

• Ryzen™ 8000: RAID 0/1

• Ryzen™ 7000: RAID 0/1/10

Ethernet
1 x Realtek 2.5Gb Ethernet
ASUS LANGuard

Wireless & Bluetooth
Wi-Fi 6E (2x2, 802.11ax) – Supports 2.4/5/6GHz*
Bluetooth® v5.3**

• WiFi 6E 6GHz regulatory may vary by region
  ** Refer to Wi-Fi module manufacturer's site for latest version

USB
Rear USB (8 ports)

• 2 x USB 10Gbps (Type-A)

• 2 x USB 5Gbps (Type-A)

• 4 x USB 2.0 (Type-A)

Front USB (7 ports)

• 1 x USB 5Gbps Type-C®

• 1 x USB 5Gbps header (supports 2 ports)

• 2 x USB 2.0 headers (supports 4 ports)

• USB Type-C®: max. 5V/3A

Audio
Realtek 7.1 Surround Sound High Definition Audio CODEC*

• Jack-detection, Multi-streaming, Front Panel Jack-retasking

• Up to 24-Bit/192kHz playback

Audio Features

• Audio Shielding

• Premium audio capacitors

• Dedicated audio PCB layers

• HD audio chassis required for full 7.1 support

Back Panel I/O Ports

• 2 x USB 10Gbps (Type-A)

• 2 x USB 5Gbps (Type-A)

• 4 x USB 2.0 (Type-A)

• 2 x DisplayPort

• 1 x HDMI™

• 1 x Wi-Fi module

• 1 x Realtek 2.5Gb Ethernet

• 3 x Audio jacks

• 1 x BIOS FlashBack™ button

Internal I/O Connectors
Fan and Cooling Related

• 1 x CPU Fan header

• 1 x CPU OPT Fan header

• 1 x AIO Pump header

• 3 x Chassis Fan headers

Power Related

• 1 x 24-pin Main Power

• 1 x 8-pin +12V CPU Power

• 1 x 4-pin +12V CPU Power

Storage Related

• 3 x M.2 slots

• 4 x SATA 6Gb/s ports

USB

• 1 x USB 5Gbps Type-C® connector

• 1 x USB 5Gbps header

• 2 x USB 2.0 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

• 1 x S/PDIF Out header

• 1 x SPI TPM header

• 1 x System Panel header

Special Features
ASUS 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

• M.2 heatsink, VRM heatsink design

ASUS EZ DIY

• BIOS FlashBack™ button & LED

• Pre-mounted I/O shield

• SafeSlot

Aura Sync

• Addressable RGB Gen 2 headers

Software Features
ASUS Exclusive Software

• Armoury Crate (Aura Creator, Aura Sync, Fan Xpert 2+)

• ASUS AI Advisor, Driver Hub, GlideX

• TurboV Core, ASUS CPU-Z

• Norton 360 Deluxe (60 Days Trial)

• WinRAR (40 Days Trial)

UEFI BIOS
ASUS EZ DIY

• CrashFree BIOS 3

• EZ Flash 3

• UEFI BIOS EZ Mode

• MyHotkey

BIOS
256 Mb Flash ROM, UEFI AMI BIOS

Manageability
WOL by PME, PXE

Accessories
Cables

• 2 x SATA 6Gb/s cables

Miscellaneous

• 1 x ASUS WiFi Q-Antenna

• 1 x M.2 rubber package

• 2 x Screw packages for M.2 SSD

Documentation

• 1 x Quick start guide

• 1 x ACC Express activation key card

Operating System
Windows® 11, Windows® 10 64-bit

Form Factor
mATX Form Factor
9.6 inch x 9.6 inch (24.4 cm x 24.4 cm)

Full Description