ASUS PRIME B850M-A WIFI-CSM AMD AM5 B850 mATX RGB Wi-Fi 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.

Digital Power Design:
PRIME B850M-A WIFI-CSM features an 8+2+1 phase power design with discrete MOSFETs, ensuring efficient and stable power delivery for AMD processors plus steady performance for day-to-day use.

Enhanced DDR5 performance:
Comprehensive memory tuning options are the cornerstone of PRIME motherboards. The PRIME B850M-A WIFI-CSM maximizes the potential of your DDR5 modules, from entry-level to extreme-speed kits. For entry-level modules without EXPO support, ASUS Enhanced Memory Profile (AEMP) automatically detects memory chips and provides optimized profiles for enhanced performance. For those looking to surpass stock DDR5 speeds, the PRIME B850M-A WIFI-CSM offers extensive AMD Extended Profiles for Overclocking (EXPO) support and a wide array of UEFI settings for further performance tweaks.

Empowering connections:
This motherboard offers a versatile range of connectivity, including support for WiFi 6E, PCIe 5.0 slot and an arsenal of USB ports which includes Type-C connections.

DIY friendly:
The PRIME B850M-A WIFI-CSM motherboard features EZ PC DIY innovations that simplify and speed up the PC building process, making DIY easy and convenient.

Personalization:
The PRIME B850M-A WIFI-CSM enhances the user experience across the board, from simplifying BIOS setting adjustments to offering customizable RGB lighting controls for a uniquely personal system aesthetic.

CPU:

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

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 (Supports max. 8K@30Hz as specified in DisplayPort 1.4)
• 1 x HDMI port (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)

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
• 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

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
• Audio Features: Audio Shielding, Premium audio capacitors, Dedicated audio PCB layers

Back Panel I/O 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)
• 2 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

Internal I/O Connectors:

• 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, 3 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), 1 x USB 5Gbps header supports 2 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

Special Features:

• ASUS 5X PROTECTION III
• ASUS Q-Design
• ASUS Thermal Solution
• ASUS EZ DIY
• Aura Sync

Software Features:

• ASUS Exclusive Software: Armoury Crate, 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

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)

• 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