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ASUS PRIME B850M-A WIFI - motherboard - micro ATX - Socket AM5 - AMD B850
Motherboard
micro ATX
Socket AM5
AMD B850 Chipset
USB 3.2 Gen 2, USB 3.2 Gen 1, USB-C 3.2 Gen 1
Wi-Fi 6E, Bluetooth, 2.5 Gigabit LAN
onboard graphics (CPU required)
HD Audio (8-channel)
Weight: 1.40 KG
- Supports AMD Ryzen processors including the 7000/8000/9000 series
- Equipped with DDR5 RAM technology for enhanced performance
- Includes connectivity options with PCIe 5.0 and Wi-Fi 6E
- Features reliable power management for stable operation under load
- Offers multiple storage interfaces for versatility and expansion
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Overview
The ASUS PRIME B850M-A WIFI motherboard is designed to deliver performance for the modern user. Featuring support for AMD Ryzen processors, this micro ATX motherboard includes multiple expansion slots such as PCIe 5.0 x16 and PCIe 4.0 x16, ensuring connectivity for high-performance components. The motherboard supports DDR5 SDRAM with speeds reaching up to 4000 MHz, allowing for efficient multitasking and improved system responsiveness. Utilizing features like AMD RAID Xpert2 Technology, the PRIME B850M-A enables optimized storage options to ensure data integrity and security. The integrated high definition audio support delivers a sound experience, while a well-designed power management system, composed of an 8+2+1 Phase Power Design and heat dissipation mechanisms, ensures stability during high-demand scenarios. With built-in Wi-Fi 6E and 2.5 Gigabit Ethernet, this motherboard ensures high-speed connectivity for online gaming and streaming, providing a foundation for building a powerful system.
Main Specifications
- Product Description
- ASUS PRIME B850M-A WIFI - motherboard - micro ATX - Socket AM5 - AMD B850
- Product Type
- Motherboard - micro ATX
- Chipset Type
- AMD B850
- Processor Socket
- 1 x Socket AM5
- Compatible Processors
- Ryzen (supports Ryzen 7000/8000/9000 Series)
- Max RAM Size
- 256 GB
- RAM Supported
- 4 DIMM slots - DDR5, on-die ECC, non-ECC, ECC, unbuffered
- Storage Ports
- 4 x SATA-600 (RAID), 3 x M.2
- USB / FireWire Ports
- 2 x USB 3.2 Gen 2 + 2 x USB 3.2 Gen 1 + 4 x USB 2.0 + (1 x USB-C 3.2 Gen 1 + 2 x USB 3.2 Gen 1 + 4 USB 2.0 via headers)
- Audio
- HD Audio (8-channel)
- LAN
- 802.11a/b/g/n/ac/ax (Wi-Fi 6E), Bluetooth 5.3, 2.5 Gigabit Ethernet
Associated Documents
Product Features
What's in the box
ASUS PRIME B850M-A WIFI, 2 x Serial ATA cable ,1 x M.2 rubber package, 2 x M.2 screw package, ASUS Wi-Fi Q-antenna, Software
Robust audio capabilities
Equipped with high definition audio support, the motherboard provides 8-channel audio output for a sound experience, ideal for gaming and multimedia applications.
Versatile storage options
The ASUS PRIME B850M-A is designed with 4 x SATA-600 (RAID) and 3 x M. 2 sockets to accommodate multiple storage devices, enhancing system performance and data management.
Extensive connectivity
This motherboard provides a range of connectivity ports, including USB 3. 2 Gen 2, HDMI, DisplayPort, and 2. 5 Gigabit Ethernet, ensuring compatibility with various peripherals and high-speed networks.
Customisable bios features
Features such as ASUS EZ Flash 3 and CrashFree BIOS 3 allow for easy system management and recovery, providing users with an experience while maintaining optimal performance.
Enhanced thermal management
The motherboard includes a VRM heatsink design, chipset heatsink, and a dedicated M. 2 heatsink, ensuring cooling under heavy workloads for sustained performance.
Specifications
Memory
- Maximum internal memory
- 256 GB
- Memory slots type
- DIMM
- Memory channels
- Dual-channel
- ECC сompatibility
- ECC & Non-ECC
- Supported memory clock speed (max)
- 8000 MHz
- Unbuffered memory
- Yes
- Maximum internal memory
- 256 GB
- Supported memory clock speed (max)
- 8000 MHz
- Supported memory types
- DDR5-SDRAM
- Number of memory slots
- 4
Storage controllers
- Supported storage drive interfaces
- M.2, SATA III
- Supported storage drive types
- HDD & SSD
- Number of HDDs supported
- 4
- Number of storage drives supported
- 7
- RAID support
- Yes
- RAID levels
- 0, 1, 5, 10
Graphics
- Parallel processing technology support
- Not supported
Internal I/O
- USB 2.0 connectors
- 2
- USB 3.2 Gen 1 (3.1 Gen 1) connectors
- 2
- USB 3.2 Gen 2 (3.1 Gen 2) connectors
- 0
- Number of SATA III connectors
- 4
- S/PDIF out connector
- Yes
- Front panel audio connector
- Yes
- ATX Power connector (24-pin)
- Yes
- CPU fan connector
- Yes
- Number of CPU fan connectors
- 1
- Number of chassis fan connectors
- 3
- Chassis intrusion connector
- Yes
- EPS power connector (8-pin)
- Yes
- Number of COM connectors
- 1
- TPM connector
- Yes
- 12V power connector
- Yes
Rear panel I/O ports
- USB 2.0 ports quantity
- 4
- USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
- 2
- USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity
- 0
- USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity
- 2
- USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity
- 0
- Ethernet LAN (RJ-45) ports
- 1
- VGA (D-Sub) ports quantity
- 0
- HDMI ports quantity
- 1
- DVI-D ports quantity
- 0
- DisplayPorts quantity
- 2
- Line-in
- Yes
- WiFi-AP antenna jack
- 2
Features
- Audio output channels
- 7.1 channels
- Component for
- PC
- Motherboard form factor
- micro ATX
- Motherboard chipset family
- AMD
- Motherboard chipset
- AMD B850
- Audio output channels
- 7.1 channels
- Product colour
- Multicolour
- Windows operating systems supported
- Windows 10 x64, Windows 11
BIOS
- BIOS memory size
- 256 Mbit
- BIOS type
- UEFI AMI
- BIOS memory size
- 256 Mbit
Packaging data
- Package width
- 275 mm
- Package depth
- 275 mm
- Package height
- 67.5 mm
- Package weight
- 1.52 kg
- Package width
- 275 mm
- Package depth
- 275 mm
- Package height
- 67.5 mm
- Package weight
- 1.52 kg
Weight & dimensions
- Width
- 244 mm
- Depth
- 244 mm
- Height
- 50 mm
- Width
- 244 mm
- Depth
- 244 mm
- Height
- 50 mm
Other features
- Weight
- 930 g
- Weight
- 930 g
Processor
- Processor manufacturer
- AMD
- Processor socket
- Socket AM5
- Compatible processor series
- AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series
Network
- Wi-Fi
- Yes
- Ethernet LAN
- Yes
- Ethernet interface type
- 2.5 Gigabit Ethernet, Fast Ethernet, Gigabit Ethernet
- Top Wi-Fi standard
- Wi-Fi 6E (802.11ax)
- Bluetooth
- Yes
- Bluetooth version
- 5.3
Expansion slots
- PCI Express x16 (Gen 4.x) slots
- 1
Packaging content
- Antenna included
- Yes