ASRock B860M Pro RS (90-MXBRP-A0UAYZ)

Name: ASRock B860M Pro RS 90-MXBRP-A0UAYZ
Brand: ASRock

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ASRock B860M Pro RS

+ Wi-Fiwithout Wi-Fi

2025 Pro M.2 cooling backlight 2.5 Gbps

Towards:gaming

Form Factor:micro-ATX

Socket:LGA 1851

Chipset:Intel B860

BIOS:Ami

RAM slots:DDR5 4 sl

RAM form factor:DIMM

RAM clock:8666 MHz

Sound (channels):7.1

Connectors:HDMI, M.2

Additional connectors:DisplayPort

Power connector:24-pin

Processor power:8+4-pin

All specifications

Specifications B860M Pro RS

Main
Features	gaming
Socket	LGA 1851
Form factor	micro-ATX
Power phases	14 / 10+1+1+1+1 /
VRM heatsink
LED lighting
Lighting sync	ASRock Polychrome Sync
Size (HxW)	244x244 mm


Chipset
Chipset	Intel B860
BIOS	Ami
UEFI BIOS


RAM
DDR5	4 slot(s)
Memory module	DIMM
Operation mode	2 channel
Max. clock frequency	8666 MHz
Max. memory	256 GB
XMP


Drive interface
SATA 3 (6Gbps)	4
M.2 connector	3
M.2	3xPCIe 4x
M.2 version	1x5.0, 2x4.0
M.2 SSD cooling
Integrated RAID controller


Expansion slots
PCIe 4x slots	1 pcs
PCIe 16x slots	1 pcs
PCIe support	5.0
Steel PCIe connectors

Internal connections
TPM connector
USB-A 2.0	2 pcs
USB-A 5Gbps	2 pcs
USB-C 5Gbps	1 pcs
ARGB LED strip	3
RGB LED strip	1


Video outputs
HDMI output
HDMI version	v2.1
DisplayPort
DisplayPort version	v.1.4


Integrated audio
Audiochip	Realtek ALC897
Sound (channels)	7.1


Network interfaces
LAN (RJ-45)	2.5 Gbps
LAN ports	1
LAN controller	Dragon RTL8125BG


External connections
USB-A 2.0	2 pcs
USB-A 5Gbps	3 pcs
USB-C 20Gbps	1 pcs
BIOS FlashBack


Power connectors
Main power socket	24-pin
CPU power	8+4-pin
Fan power connectors	6
CPU Fan 4-pin	2
CPU/Water Pump Fan 4-pin	1
Chassis/Water Pump Fan 4-pin	3


Official Website	asrock.com
Added to E-Catalog	January 2025
P/N	90-MXBRP-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.
Catalog ASRock 2026 - new arrivals, bestsellers, and the most relevant models ASRock.

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	Asrock B860M Pro RS Intel B860 LGA 1851 (Socket V1) micro ATX Modern and futuristic with the attractive specifications and perfect balance the Race Sport (RS) Ed... moreition is the evolution of the most popular PRO series motherboard. - Supports Intel® Core™ Ultra Processors (Series 2)(LGA1851) - 10+1+1+1+1 Power Phase Dr.MOS for VCore+GT+SA - 4 x DDR5 DIMMs - Supports Dual Channel up to 8666+ (OC) - 1 PCIe 5.0 x16 1 PCIe 4.0 x4 1 M.2 Key E for WiFi - Graphics Output Options: 1 HDMI 1 DisplayPort - Realtek ALC897 7.1 CH HD Audio Codec Nahimic Audio - 4 SATA3 - 1 Blazing M.2 (PCIe Gen5x4) - 2 Hyper M.2 (PCIe Gen4x4) - 1 USB 3.2 Gen2x2 Type-C (Rear) - 1 USB 3.2 Gen1 Type-C (Front) - 7 USB 3.2 Gen1 (3 Rear 4 Front) - 6 USB 2.0 (2 Rear 4 Front) - Realtek 2.5G LAN - Supports BIOS Flashback M.2 Bottom Heatsink Performance - 10+1+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. - 6 Layer PCB - The 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 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 Quzo.co.uk Delivery: to United Kingdom Report	£114.22 Buy in shop

	Asrock 90-MXBRP0-A0UAYZ ASRock B860M Pro RS MotherboardCategory: Components \| Subcategory: Motherboards--- ASRock B860M Pro RS: The Foundation for Yo... moreur Next-Generation Intel PCBuild a powerful and future-proof system with the ASRock B860M Pro RS, a motherboard engineered to unlock the full potential of upcoming Intel® Core™ processors on the new LGA 1851 socket. Designed for gamers, content creators, and PC enthusiasts who demand a perfect balance of performance, features, and aesthetics, the B860M Pro RS delivers a premium experience in a versatile Micro ATX form factor. Experience blistering speeds, robust power delivery, and extensive connectivity options, making it the ideal centerpiece for your next high-performance desktop build.The Pro RS series is synonymous with reliability and style. This motherboard features a robust power phase design to ensure stable power delivery to the CPU, even under heavy loads and during overclocking. This stability is crucial for extracting maximum performance from your components. Combined with support for cutting-edge DDR5 memory, you can push your system to new heights, achieving incredible data transfer rates for smoother gameplay, faster rendering, and more responsive multitasking. Key Benefits & Main FeaturesExperience a new era of computing with a motherboard packed with forward-thinking technology. The ASRock B860M Pro RS is built to last and perform.* Next-Generation CPU & Memory Support: Step into the future with the Intel LGA 1851 socket, designed for the latest generation of Intel processors. Paired with four DIMM slots supporting high-speed DDR5 memory, you can achieve phenomenal speeds up to and beyond 8000 MHz (OC) for unparalleled system responsiveness.* Robust Power Delivery: A sophisticated VRM and Dr. MOS power stage design provides smooth and efficient power to the CPU. This ensures rock-solid stability for demanding applications and provides ample headroom for performance tuning, giving you the confidence to push your system to its limits.* Blazing-Fast Storage Options: Say goodbye to loading screens. The B860M Pro RS is equipped with multiple Hyper M.2 slots, leveraging the PCIe Gen4 interface for lightning-fast NVMe SSDs. It also maintains flexibility with support for M2 SATA drives and multiple traditional SATA 6Gb/s ports for all your storage needs.* PCIe 5.0 Graphics Ready: The primary reinforced steel slot supports the PCIe 5.0 standard, offering double the bandwidth of the previous generation. This ensures your motherboard is ready for the most powerful graphics cards of today and tomorrow, eliminating potential bottlenecks and delivering maximum graphical fidelity.* High-Speed Wired Networking: Get a competitive edge online with the onboard 2.5 Gigabit LAN port. It delivers up to 2.5x the bandwidth of standard gigabit Ethernet, ensuring lower latency for gaming, faster file transfers, and smoother high-resolution video streaming.* Versatile Micro ATX Form Factor: The Micro ATX design offers a perfect Tradeinn.com Delivery: in United Kingdom Report	£116.99 Buy in shop

	ASRock B860M Pro RS DDR5 PCIe 5.0 Micro-ATX Motherboard Scan.co.uk Delivery: to United Kingdom Report	£117.98 Buy in shop

	Asrock B860M Pro RS Intel B860 LGA 1851 (Socket V1) micro ATX Asrock B860M Pro RS Intel B860 LGA 1851 (Socket V1) micro ATX Modern and futuristic. with the attractive specifications and p... moreerfect balance. the Race Sport (RS) Edition is the evolution of the most popular PRO series motherboard.Optimized for stability. durability. and efficiency. It combines reliable performance. user-friendly features and streamlined style for daily computing tasks.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.10+1+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.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.PCIe 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.DIY Friendly DesignM.2 Bottom HeatsinkThe 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.Aluminum 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.Dragon 2.5 Gb/s LANThe intelligent 2.5Gb/s LAN platform is built for maximum networking performance for the demanding requirements of home networking. content creators. online gamers and high-quality streaming media. Boost networking performance up to 2.5X the bandwidth Pcnova.co.uk Delivery: in United Kingdom Report	£118.82 Buy in shop

	Asrock B860M PRO RS Intel B860 LGA 1851 Socket V1 Micro ATX eBay.co.uk Delivery: in United Kingdom Report	£120.95 Buy in shop