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ASRock B850 Pro-A WiFi (90-MXBQN-A0UAYZ)

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ASRock B850 Pro-A WiFi
+ Wi-Fiwithout Wi-Fi
2025ProWi-FiM.2 coolingno backlight2.5 Gbps
Towards:home / office
Form Factor: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
Power connector:24-pin
Processor power:8+8-pin
All specifications
Specifications B850 Pro-A WiFi
Main
Featuresfor home/office
SocketAM5
Form factorATX
Power phases17 / 14+2+1 /
VRM heatsink
Size (HxW)305x244 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 connector4
M.24xPCIe 4x
M.2 version1x5.0, 2x4.0, 1x3.0
M.2 SSD cooling
Integrated RAID controller
Expansion slots
PCIe 16x slots2 pcs
PCIe modes16x/4x
PCIe support5.0
Steel PCIe connectors
Internal connections
TPM connector
USB-A 2.02 pcs
USB-A 5Gbps1 pcs
USB-C 20Gbps1 pcs
ARGB LED strip3
RGB LED strip1
Video outputs
HDMI output
HDMI versionv2.1
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 2.06 pcs
USB-A 5Gbps4 pcs
USB-C 5Gbps1 pcs
USB-C 10Gbps1 pcs
Alternate Mode
BIOS FlashBack
Power connectors
Main power socket24-pin
CPU power8+8-pin
Fan power connectors7
CPU Fan 4-pin2
CPU/Water Pump Fan 4-pin1
Chassis/Water Pump Fan 4-pin4
Official Websiteasrock.com
Added to E-CatalogJanuary 2025
P/N
90-MXBQN-A0UAYZ

E-Catalog UK editor, Motherboards
Valerii Lenko, edited 10.11.2025
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
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ASRock B850 Pro-A WiFi ATX Motherboard for AMD AM5 CPUs 90-MXBQN0-A0UAYZ

Pro-A series is designed for enhanced stability, durability, and efficiency, it offers reliable performance, user-friendly fe... moreatures and a streamlined aesthetic, making it ideal for daily computing needs.
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ASRock B850 Pro-A WiFi AMD Ryzen AM5 DDR5 ATX Motherboard - 90-MXBQN-A0UAYZ 90-MXBQN-A0UAYZ

Unlock the full potential of your AMD Ryzen processor with the ASRock B850 Pro-A WiFi motherboard. Designed for performance, it fe
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Asrock B850 Pro-A WiFi AMD B850 Socket AM5 ATX

Asrock B850 Pro-A WiFi AMD B850 Socket AM5 ATX Optimized for stability. durability. and efficiency. It combines reliable perf... moreormance. user-friendly features and streamlined style for daily computing tasks.PerformanceOptimized VRM DesignVRM Design14+2+1 Power Phase DesignFeaturing sturdy components and completely smooth power delivery to the CPU. Plus. it offers unmatched overclocking capabilities and enhanced performance with the lowest temperature for advanced gamers as well.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.Hi-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.8 Layer PCBThe 8 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
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Asrock B850 Pro-A WiFi AMD B850 Socket AM5 ATX

  Pro-A series is designed for enhanced stability durability and efficiency it offers reliable performance... moreuser-friendly features and a streamlined aesthetic making it ideal for daily computing needs. - Supports AMD Socket AM5 Ryzen™ 9000 8000 and 7000 Series Processors - 14+2+1 Phase Power Design 80A Dr.MOS for VCore+SOC+MISC - 4 x DDR5 DIMMs - Supports Dual Channel up to 8000+ (OC) - 1 PCIe 5.0 x16 1 PCIe 4.0 x16 - Graphics Output Options: 1 HDMI 1 USB Type-C (DP-alt) - Realtek ALC897 7.1 CH HD Audio Codec - 1 Blazing M.2 (PCIe Gen5x4) - 2 Hyper M.2 (PCIe Gen4x4) - 1 Ultra M.2 (PCIe Gen3x4) - 4 SATA3 - 1 USB 3.2 Gen2x2 Type-C (Front) - 1 USB 3.2 Gen2 Type-C (Rear) - 1 USB 3.2 Gen1 Type-C (Rear) - 6 USB 3.2 Gen1 (4 Rear 2 Front) - 9 USB 2.0 (6 Rear 3 Front) - Realtek 2.5G LAN - 802.11axe WiFi 6E +Bluetooth - Supports BIOS Flashback       Performance - 14+2+1 Power Phase Design - Featuring sturdy components and completely smooth power delivery to the CPU. Plus it offers unmatched overclocking capabilities and enhanced performance with the lowest temperature for advanced gamers as well - Dr. MOS - Dr.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. - Hi-Density Power Connector - CPU 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. - 8 Layer PCB - The 8 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 Support - Derived 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 Solution - PCIe Gen5 Blazing M.2 - The 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 x4 -
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Asrock 90-MXBQN0-A0UAYZ

Asrock B850 Pro-A WiFi.Processor manufacturer: AMD, Processor socket: Socket AM5, Compatible processor: AMD Ryzen 7000 Series... more, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series.Supported memory types: DDR5-SDRAM, Maximum internal memory: 256 GB, Memory slots type: DIMM.Supported storage drive interfaces: PCI Express 4.0, PCI Express 5.0, SATA III, Supported storage drive types: HDD & SSD, RAID levels: 0, 1, 10.Maximum resolution: 3840x2160 Pixels.USB connector: USB Type-A, USB Type-C.Specifications: - Processor manufacturer: AMD. - Processor socket: Socket AM5. - Compatible processor: AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series. - Supported processor sockets: Socket AM5. - ECC сompatibility: ECC & non-ECC. - Supported memory types: DDR5-SDRAM. - Number of memory slots: 4. - Memory slots type: DIMM. - Maximum internal memory: 256 GB. - Memory channels: Dual-channel. - Unbuffered memory: Yes. - Wi-Fi standard: Wi-Fi 6E (802.11ax). - Ethernet: Yes. - Ethernet interface type: 2.5 Gigabit Ethernet. - LAN controller: Dragon RTL8125BG. - Wifi: Yes. - Wi-Fi standards: 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E (802.11ax). - Bluetooth: Yes. - Bluetooth version: 5.2. - USB 3.2 Gen 2x2 connectors: 1. - Number of CPU fan connectors: 2. - Number of water pump connectors: 1. - Number of RGB LED pin headers: 1. - Number of EPS power connectors (8-pin): 2. - USB 2.0 connectors: 2. - USB 3.2 Gen 1 (3.1 Gen 1) connectors: 1. - Number of SATA III connectors: 4. - Front panel audio connector: Yes. - ATX Power connector (24-pin): Yes. - CPU fan connector: Yes. - Number of chassis fan connectors:Chassis:- USB 3.2 Gen 2 (3.1 Gen 2) connectors: 0.- EPS power connector (8-pin): Yes.- 12 V power connector: Yes.- RGB LED strip connector: Yes.- TPM connector: Yes.- Line-in: Yes.- USB 2.0: 6.- USB 3.2 Gen 1 (3.1 Gen 1): 4.- Number of USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports: 0.- Number of USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports: 1.- USB 3.2 Gen 1 (3.1 Gen 1) Type C: 1.- Ethernet LAN (RJ-45) ports: 1.- Connector for WiFi-AP antenna: 2.- VGA (D-Sub) ports: 0.- HDMI ports: 1.- Number of DVI-D ports: 0.- HDMI version: 2.1.- Headphone connector: 3.- USB connector: USB Type-A, USB Type-C.- Microphone input: Yes.- RAID support: Yes.- Number of storage drives supported: 8.- Supported storage drive interfaces: PCI Express 4.0, PCI Express 5.0, SATA III.- Supported storage drive types: HDD & SSD.- RAID levels: 0, 1, 10.- PCI Express x16 (Gen 5.x) slots: 1.- 1st M.2 largest key size: 2280.- 1st M.2 highest PCI Express generation: 5.0.- 2nd M.2 largest key size: 2280.- 2nd M.2 highest PCI Express generation: 4.0.- 3rd M.2 largest key size: 2280.- 3rd M.2 highest PCI Express generation: 4.0.- 4th M.2 largest key size: 2280.- 4th M.2 highest PCI Express generation: 4.0.- PCI Express x16 (Gen 4.x) slots: 1.- Number of M.2 (M) slots: 4.- BIOS types: UEFI AMI.- BIOS, memory size: 256 MB/s.- Parallel processing support: Not
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ASRock B850 Pro-A from £127.9817 offers
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