ASUS AMD PRIME B850M-A WIFI-CSM (AM5) mATX Motherboard, DDR5 256GB, 1x PCIe 5.0 x16, 3x M.2 slots, 4x SATA, Wi-Fi 6E, 2.5Gb LAN, 1x HDMI, 2x DP

ASUS AMD PRIME B850M-A WIFI CSM (AM5) mATX Motherboard

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.

SPECIFICATIONS

Model

PRIME B850M-A WIFI-CSM

News & Updates

Socket AM5,

CPU

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

Supports up to AMD 170W CPU

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)

Graphics

2 x DisplayPort**

1 x HDMI™ port***

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)

Storage

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)

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 (supports PCIe 4.0 x4 mode)

4 x SATA 6Gb/s ports

Ethernet

1 x Realtek 2.5Gb Ethernet

ASUS LANGuard

Wireless & Bluetooth

'Wi-Fi 6E

2x2 Wi-Fi 6E (802.11ax)

Supports 2.4/5/6GHz frequency band*

Bluetooth® v5.3**

USB

Rear USB (Total 8 ports)

2 x USB 10Gbps ports (2 x Type-A )

2 x USB 5Gbps ports (2 x Type-A)

4 x USB 2.0 ports (4 x Type-A)

Front USB (Total 7 ports)

1 x USB 5Gbps connector (supports USB Type-C®)

1 x USB 5Gbps header supports 2 additional USB 5Gbps ports

2 x USB 2.0 headers support 4 additional USB 2.0 ports

Audio

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

BIOS

256 Mb Flash ROM, UEFI AMI BIOS

Manageability

WOL by PME, PXE

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)

Warranty: 36 months

Part No.: PRIME B850M-A WIFI-CSM