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ASRock B850M Pro-A WiFi (90-MXBR9-A0UAYZ)

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ASRock B850M Pro-A WiFi
Towards:home / office
Form Factor:micro-ATX
Socket:AM5
Chipset:AMD B850
BIOS:Ami
RAM slots:DDR5 4 sl
RAM form factor:DIMM
RAM clock:8000 MHz
Sound (channels):7.1
Connectors:HDMI, M.2
Additional connectors:DisplayPort
Power connector:24-pin
Processor power:8+4-pin
All specifications
Specifications B850M Pro-A WiFi
Main
Featuresfor home/office
SocketAM5
Form factormicro-ATX
Power phases11 / 8+2+1 /
VRM heatsink
Size (HxW)244x244 mm
Chipset
ChipsetAMD B850
BIOSAmi
UEFI BIOS
RAM
DDR54 slot(s)
Memory moduleDIMM
Operation mode2 channel
Max. clock frequency8000 MHz
Max. memory256 GB
XMP
EXPO support
Drive interface
SATA 3 (6Gbps)4
M.2 connector3
M.23xPCIe 4x
M.2 version1x5.0, 2x4.0
M.2 SSD cooling
Integrated RAID controller
Expansion slots
PCIe 4x slots1 pcs
PCIe 16x slots1 pcs
PCIe support5.0
Steel PCIe connectors
Internal connections
TPM connector
USB-A 2.02 pcs
USB-A 5Gbps2 pcs
USB-C 5Gbps1 pcs
ARGB LED strip3
RGB LED strip1
Video outputs
HDMI output
HDMI versionv2.1
DisplayPort
DisplayPort versionv.1.4
Integrated audio
AudiochipRealtek ALC897
Sound (channels)7.1
Network interfaces
Wi-FiWi-Fi 6E (802.11ax)
BluetoothBluetooth v5.2
LAN (RJ-45)2.5 Gbps
LAN ports1
LAN controllerDragon RTL8125BG
External connections
USB-A 2.04 pcs
USB-A 5Gbps2 pcs
USB-A 10Gbps1 pcs
USB-C 10Gbps1 pcs
BIOS FlashBack
Power connectors
Main power socket24-pin
CPU power8+4-pin
Fan power connectors5
CPU Fan 4-pin2
Chassis/Water Pump Fan 4-pin3
Official Websiteasrock.com
Added to E-CatalogJanuary 2025
P/N
90-MXBR9-A0UAYZ

The information in the model description is for reference purposes.
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Asrock B850M Pro-A WiFi AMD B850 Socket AM5 micro ATX

Asrock B850M Pro-A WiFi AMD B850 Socket AM5 micro ATX Optimized for stability. durability. and efficiency. It combines reliab... morele performance. user-friendly features and streamlined style for daily computing tasks.PerformanceOptimized VRM DesignVRM Design8+2+1 Power Phase DesignFeaturing sturdy components and completely smooth power delivery to the CPU. offering enhanced performance for gamers.Dr. MOSDr.MOS is the integrated power stage solution which is optimized for synchronous buck-set down voltage applications! Compared to traditional discrete MOSFETs. it intelligently delivers higher current for each phase. thus providing improved thermal result and superior performance.Power ConnectorHi-Density Power ConnectorCPU overclocking requires higher current. ASRock Hi-Density Power Connectors are designed to withstand higher currents compared to traditional CPU and ATX power connectors. providing a more stable system and reducing the risk of fire during heavy overclocking.6 Layer PCBThe 6 Layer PCB provides stable signal traces and power shapes delivering lower temperature and higher energy efficiency for memory overclocking! Thus. it's able to support the latest memory modules with most extreme memory performance!DDR5 XMP & EXPO SupportDerived from the “built for stable and reliable” designing concept. ASRock does not compromise on any details. This motherboard is built with high quality materials. enthusiasts are able to enjoy the boost of DDR5 memory overclocking performance by enabling the pre-tested profiles. Make sure the memory modules are Intel® XMP/AMD EXPO™ capable and overclocking can be made so affordable. satisfying and absolutely no sweat at all.High Speed M.2 SolutionPCIe Gen5 Blazing M.2The Blazing M.2 accommodates the latest PCI Express 5.0 standard to perform twice the bandwidth compared to previous generation. with a breathtaking 128Gb/s transfer speed. it is ready to unleash the full potential of future ultrafast SSDs.Hyper M.2 Gen4 x4Supports PCI Express 4.0 M.2 SSDs. it is capable of perform twice the speed compared to previous 3rd generation. giving a lightning fast data transferring experience.CoolingIntelligent Cooling DesignAluminum HeatsinkThe first thing that catches the eye is the optimized Aluminum Heatsink Design. Heatsinks are crucial for efficient heat dissipation. especially during heavy workloads like gaming or productivity tasks. Motherboard that built with heatsinks can effectively manage thermal performance. hence ensure system stability and durability effortlessly.PWM/DC Fan SupportASRock fan headers automatically detect whether fans are running in DC or PWM mode. allowing users to fine-tune the fan curve and achieve quieter operation.Fan-Tastic TuningASRock A-Tuning Fan-Tastic Tuning function enables users to auto-detect the minimum duty of each fan with a single click. Users can also easily adjust the fan curve via the visualized UI interface. meeting their system's cooling performance and noise
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