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ASRock B850 Pro RS WiFi (90-MXBQL-A0UAYZ)

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ASRock B850 Pro RS WiFi
+ Wi-Fiwithout Wi-Fi
2025ProWi-FiM.2 coolingbacklight2.5 Gbps
Towards:gaming
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

The full-size ATX motherboard with an AM5 socket and AMD B850 chipset is designed for builds with Ryzen 7000, 8000, and 9000 series processors. The model belongs to the mid-range segment and is part of the ASRock Pro series of 2025, which emphasizes the balance between performance, functionality, and reliability. The ASRock B850 Pro RS WiFi targets gamers, professionals, and overclocking enthusiasts, featuring a BIOS Flashback button, support for water cooling, PWM fan control, and an expanded set of RGB connectors.

Its BIOS interface is based on the AMI UEFI platform with intuitive navigation logic. The processor is powered by a robust 14+2+1-phase system with Dr.MOS modules at 80A. The VRM heatsinks have an increased area and effectively dissipate heat, ensuring stability even under high loads, including work with flagship Ryzen 7 and 9 CPUs. The RAM is represented by four DDR5 slots supporting dual-channel mode.

Up to 256GB of memory can be installed with XMP and EXPO profiles, and the overclocking frequency can exceed 8000 MHz. For installing a graphics card, there is a PCIe 5.0 slot, and an additional PCIe 4.0 slot allows for connecting an expansion card or high-speed peripherals. There are four M.2 slots and two SATA ports allocated for data storage. The network interface is built on the Dragon RTL8125BG controller, providing connection speeds up to 2.5 Gbps. The built-in wireless module with a directional antenna supports Wi-Fi 6E and Bluetooth v5.2.

All specifications
Specifications B850 Pro RS WiFi
Main
Featuresgaming
SocketAM5
Form factorATX
Power phases17 / 14+2+1 /
Printed circuit board8-layer
VRM heatsink
LED lighting
Lighting syncASRock Polychrome Sync
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 5Gbps2 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 10Gbps4 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-MXBQL-A0UAYZ

The information in the model description is for reference purposes.
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MB ASRock AMD AM5 B850 Pro RS WiFi

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ASRock AMD B850 Pro RS WiFi AM5 DDR5 PCIe 5.0 ATX Motherboard

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Asrock 90-MXBQL0-A0UAYZ

ASRock B850 Pro RS WiFi Motherboard | Socket AM5, DDR5, Wi-FiUnlock the full potential of next-generation computing with the... moreASRock B850 Pro RS WiFi motherboard. Engineered for gamers, content creators, and PC enthusiasts, this motherboard provides a robust and feature-rich foundation for your high-performance AMD Ryzen build. Built on the advanced Socket AM5 platform, it is optimized to harness the power of AMD Ryzen™ 8000 series processors, delivering exceptional performance and efficiency for the most demanding applications and games. The ATX form factor ensures broad compatibility with a wide range of cases while offering ample space for expansion and cooling.Experience a new era of speed and responsiveness. The B850 Pro RS WiFi leverages the power of DDR5 memory, enabling blistering data transfer rates and superior multitasking capabilities. Whether you´re rendering complex 3D scenes, streaming high-quality content, or dominating the battlefield, this motherboard ensures a smooth, lag-free experience. Its forward-thinking design includes cutting-edge connectivity options, preparing your system for the future of high-speed components.Key Benefits:* Next-Generation Performance: Designed specifically for the AMD Socket AM5 platform, providing full support for the latest AMD Ryzen™ 8000 series CPUs for unparalleled processing power.* Blazing-Fast Memory and Storage: Harness the incredible speeds of DDR5 memory and next-generation M.2 SSDs. With PCIe 5.0 support, you can slash loading times and accelerate data-intensive workflows.* Robust and Stable Power: Featuring a sophisticated power phase design, the B850 Pro RS WiFi delivers smooth and reliable power to the CPU, ensuring maximum stability even during intense overclocking and heavy workloads.* Seamless High-Speed Connectivity: Stay connected with integrated Wi-Fi for a fast, low-latency wireless experience and 2.5G LAN for ultra-responsive wired networking. Multiple USB ports provide extensive connectivity for all your peripherals.* Future-Proof Platform: With its ATX form factor, support for the latest standards like PCIe 5.0, DDR5, and Wi-Fi, this motherboard is a smart investment, ensuring your PC remains powerful and relevant for years to come.Main Features:This motherboard is packed with features to elevate your build, including support for AMD Ryzen™ 8000 series processors, dual-channel DDR5 memory architecture, and a comprehensive suite of storage options including Blazing M.2 (PCIe Gen5) slots, Hyper M.2 (PCIe Gen4) slots, and multiple SATA 6Gb/s ports. It offers high-speed networking via 2.5 Gigabit LAN and the latest Wi-Fi standard, all built on a durable ATX platform with ASRock´s signature reliability.Technical Specifications:* CPU: Supports AMD Ryzen™ 8000 and 7000 Series Processors (Socket AM5)* Chipset: AMD B850* Form Factor: ATX (30.5 cm x 24.4 cm)* Memory: 4 x DDR5 DIMM Slots, Supports DDR5 non-ECC, un-buffered memory up to 7200+(OC) * 1 x PCIe 5.0 x16 Slot (PCIE1)
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Asrock B850 Pro RS WiFi AMD B850 Socket AM5 ATX 90-MXBQL-A0UAYZ

Supports AMD Socket AM5 Ryzen™ 9000, 8000 and 7000 Series Processors. 14+2+1 Phase Power Design, 80A Dr.MOS for VCore+SOC+MIS... moreC. 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, Nahimic Audio. 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). 8 USB 3.2 Gen1 (4 Rear, 4 Front). 10 USB 2.0 (6 Rear, 4 Front). Realtek 2.5G LAN. 802.11axe WiFi 6E +Bluetooth. Supports M.2 Bottom Heatsink, BIOS Flashback. Optimized for stability, durability, and efficiency. It combines reliable performance, user-friendly features and streamlined style for daily computing tasks.. 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.. 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.. 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. Supports 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.. DIY Friendly Design. M.2 Bottom Heatsink. The M.2 bottom heatsink is able to dissipate heat of the M.2 SSD efficiently through the motherboard PCB, maximize performance while maintaining system stability.. Enlarged M.2 Heatsink. XXL M.2 Heatsink. The extra large aluminum alloy M.2 heatsink effectively improves heat dissipation to keep those high speed M.2 SSDs as cool as possible, it is able to give better stability while maintaining top
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ASRock Asrock B850 Pro RS WiFi (Socket AM5) DDR5 ATX Motherboard 90-MXBQL0-A0UAYZ

Specification Details Memory Dual Channel DDR5 Memory Technology 4 x DDR5... moreDIMM Slots Supports DDR5 ECC/non-ECC, un-buffered memory up to 8000+(OC)* Max. capacity of system memory: 256GB Supports Extreme Memory Profile (XMP) and EXTended Profiles for Overclocking (EXPO) memory modules * Please refer to Memory Support List on ASRock's website for more information. (ASRock) Expansion Slot CPU: 1 x PCIe 5.0 x16 Slot (PCIE1), supports x16 mode* Chipset: 1 x PCIe 4.0 x16 Slot (PCIE2), supports x4 mode* 1 x M.2 Socket (Key E), supports type 2230 WiFi/BT PCIe WiFi module * PCIE1 will run at Gen5x16 with 9000 and 7000 series processors, Gen4x8 with 8000 (Phoenix 1) series processors and Gen4x4 with 8000 (Phoenix 2) series processors. * If M2_3 is occupied, PCIE2 will be disabled. * Supports NVMe SSD as boot disks 15μ Gold Contact in VGA PCIe Slot (PCIE1) Graphics Integrated AMD RDNA™ graphics (Actual support may vary by CPU) 1 x HDMI 2.1 TMDS/FRL 8G Compatible, supports HDR, HDCP 2.3 and max. resolution up to 4K 120Hz 1 x USB 3.2 Gen1 Type-C, supports DP 1.4 HBR3 and max. resolution up to 4K 60Hz (DP-alt mode supports DP1.4a) Audio 7.1 CH HD Audio (Realtek ALC897 Audio Codec) Nahimic Audio LAN 2.5 Gigabit LAN 10/100/1000/2500 Mb/s Dragon RTL8125BG Supports Dragon 2.5G LAN Software Smart Auto Adjust Bandwidth Control Visual User Friendly UI Visual Network Usage Statistics Optimized Default Setting for Game, Browser, and Streaming Modes User Customized Priority Control Wireless LAN 802.11axe Wi-Fi 6E Module Supports IEEE 802.11a/b/g/n/ac/ax/axe Supports Dual-Band 2x2 with extended 6GHz band* support * Wi-Fi 6E (6GHz band) will be supported by Microsoft® Windows® 11. The availability will depend on the different regulation status of each country and region. * A 6GHz compatible router is required for 6E functionality. 2 antennas to support 2 (Transmit) x 2 (Receive) diversity technology Supports Bluetooth 5.2 Supports MU-MIMO USB CPU: 1 x USB 3.2 Gen2 Type-C (Rear) 1 x USB 3.2 Gen1 Type-C (Rear) 2 x USB 3.2 Gen1 Type-A (Rear) Chipset: 1 x USB 3.2 Gen2x2 Type-C (Front) 6 x USB 3.2 Gen1 Type-A (2 Rear, 4 Front) 10 x USB 2.0 (6 Rear, 4 Front) * All USB ports support ESD Protection Rear Panel I/O 2 x Antenna Ports 1 x HDMI Port 1 x USB 3.2 Gen2 Type-C Port (10 Gb/s) 1 x USB 3.2 Gen1 Type-C Port (DP-alt
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User reviews 1
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I highly recommend this board and boards from ASROCK.
7 May 
I strongly advise against this board and boards from ASROCK.
Good configuration: 8 layers, 4 M.2, powerful power supply system.
The board kills processors. This board killed my 9600x processor after 8 months of use, warranty was denied. The BIOS is inconvenient.
Evgeniy Yaroshenko: use ASRock B850 Pro RS few months
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ASRock B850 Pro RS WiFi configurations

Price for ASRock B850 Pro RS WiFi
ASRock B850 Pro RS WiFi from £154.9914 offers
ASRock B850 Pro RS from £124.7915 offers

Racing Design

The ASRock B850 Pro RS WiFi motherboard belongs to the Race Sport series and stands out with its stylish, dynamic design. The black PCB harmonizes with white heatsinks, geometric patterns, and branded logos, highlighting the premium quality and gaming focus of the device. Massive aluminum heatsinks on key points — the chipset, VRM, and M.2 slots — effectively dissipate heat, preventing components from overheating and throttling. The board already has built-in RGB lighting with ASRock Polychrome Sync effects, which can be customized through the proprietary utility or BIOS to create an individual visual atmosphere.

Elevated Standards

In addition to the standard benefits of the B850 chipset, the manufacturer has implemented modern network technologies: built-in Bluetooth 5.2, Wi-Fi 6E, and 2.5 Gbps LAN modules ensure high bandwidth, stable ping, and maximum compatibility with current routers. The 17-phase power system with Dr.MOS converters guarantees stable voltage and reliable operation of all connected devices. The board is built on an 8-layer structure, which contributes to better current distribution, reduced heating, and prevention of short circuits. This set of features makes the model an excellent choice for assembling an advanced gaming PC based on AMD Ryzen 9 processors, NVIDIA 40 series graphics cards, and high-frequency DDR5 memory. An additional advantage is the USB-C port with a bandwidth of 10 Gbps, DisplayPort support, and the ability to power a monitor.

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