ASRock B860M Pro-A DDR5 PCIe 5.0 Micro-ATX Motherboard
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ASRock B860M Pro-A DDR5 PCIe 5.0 Micro-ATX Motherboard
Scan code: LN155300 Manufacturer code: 90-MXBRR-A0UAYZ
£131.99Item overdue since 26 January 2025
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ASRock B860M Pro-A DDR5 PCIe 5.0 Micro-ATX Motherboard

ASRock B860M Pro-A, Intel B860, LGA1851, DDR5, PCIe 5.0, 3x M.2, 2.5GbE, USB 3.2 Gen2x2, mATX

Scan code: LN155300 Manufacturer code: 90-MXBRR-A0UAYZ
£131.99
£5.48 NEXT DAY DELIVERY
Item overdue since 26 January 2025
Pre order

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ASRock B860M Pro-A DDR5 PCIe 5.0 Intel Micro-ATX Motherboard

ASRock Pro-A mATX Motherboard for Intel Core Ultra Series 2 Processors

Smash Every Task The ASRock Pro-A series offer a balanced blend of performance and precision, making it an ideal choice for both budget-conscious builds and professional systems. Supporting Intel Core Ultra Series 2 Processors, this motherboard provides everything you need for a reliable, high-performance foundation, whether your intention be gaming or working. With stable power, fast speeds, and dependable connectivity, the B860M Pro-A stands as the go-to option for users looking for solid performance without breaking the bank. It also serves as a solid entry point into ASRock benefits like Polychrome Sync, SignalRGB, and Nahimic Audio.

B860Intel Chipset

LGA 1851CPU Socket

DDR5 DIMMMax. 256GB (Dual Channel)

MicroATXForm Factor

Expertly Assembled VRM

10+1+1 Power Phases for CPU Power Delivery

Dr. Mos & Power PhasingBuilt with a robust 10+2+1 power phase design, this board ensures flawless power delivery to your CPU, setting the stage for seamless overclocking and a performance boost that users crave. The enhanced thermal efficiency keeps temperatures under control, even when pushing your system to its limits. At the heart of this is the Dr.MOS integrated power stage, which streamlines current delivery by optimising each phase for superior thermal management.

10VCORE Phases

1VCCGT Phases

1VCCSA Phases

Durable 8-Pin CPU Connector

Dual 8-Pin PowerFor demanding CPU overclocking, higher currents are essential, and this is where ASRock’s Hi-Density Power connectors come into play. Designed to endure significantly higher currents than traditional 8-pin CPU and 24-pin ATX connectors, they offer improved stability and security. They provide peace of mind to demanding workers and ensuring the system remains cool and controlled, even under intense conditions.

Unlock Memory Overclocking

8-Layer PCB for Clear Memory Signals

8-Layer PCBPower flows through the 8-layer PCB which stabilises signal traces with precision. It reinforces thermal management and maintains signal integrity, providing a solid foundation for high-performance memory modules. With every current, DDR5 is pushed to its limits, driving speed and efficiency with fantastic reliability, no matter what.

8666 MHz Memory Transfer; Intel XMP Support

DDR5 XMP & EXPOASRock’s commitment to stability and reliability shines through every layer of its design. By enabling pre-tested profiles, users can push the limits of their system with confidence. For seamless overclocking, ensure that your memory modules are Intel® XMP or AMD EXPO™ compatible.

Pulsing With PCI

x1

PCIe Gen5x4 'Blazing M.2' 2280 Slot

x2

PCIe Gen4x4 'Hyper M.2' 2280 Slot

Express ExcellenceASRock's Blazing M.2 technology ignites your system with electrifying speed, harnessing the raw power of PCI Express 5.0 to deliver unparalleled data transfer rates. This lightning-fast performance obliterates loading times, ensuring every task is executed in an instant. Enhanced further by cutting-edge Gen4 capabilities, the synergy between speed and power creates a surge of performance that unlocks the full potential of high-capacity SSDs.

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Extensive Cooling Options

Aluminium Heatsink

Aluminium Heatsink The chiseled aluminium heatsink efficiently pulls heat from key components, its dense, cold metal construction ensuring reliable cooling under intense gaming or heavy productivity tasks.

PWM/DC Fan Support

PWM/DC Fan Support ASRock 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.

1. CPU Fan Connector (Total: 2)
2. AIO Pump Connector (Total: 1)
3. Chassis Fan Connector (Total: 4)

Fan-Tastic Tuning

Fan-Tastic TuningThe 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 UI, meeting the system's cooling performance and noise requirements.

Nahimic Audio

Nahimic Audio

Audio Matters Nahimic Audio delivers an immersive listening experience that is vibrant and rich in detail, regardless of whether you're using headphones, a headset, external or internal speakers.

Clear Communication Powerful algorithms deliver clear, noise-free conversations with consistent vocal levels, enhancing sound quality and reducing interference for better clarity and less fatigue.

Sound Tracker The Sound Tracker visually indicates the direction of prominent sounds, displaying them in a 360° radar for complete immersion during gameplay.

Accelerating Performance

Speedy 6EWi-Fi 6E extends the capabilities of Wi-Fi 6 by adding the 6 GHz band, offering more available channels for more reliable connections. It uses features like MU-MIMO and OFDMA to manage multiple devices efficiently, ensuring high-speed data for each. With wider channels, it reduces congestion, improves range, and supports high-demand applications, such as streaming and large file transfers.


This model is designed with support for Wi-Fi 6E, though Wi-Fi functionality is not built-in. To enable Wi-Fi 6E connectivity, a compatible Wi-Fi card or module can be added. For the Wi-Fi variant of this motherboard, click here.

Dragon 2.5G LAN The ASRock Pro-A offers excellent cooling options with two CPU fan connectors, one AIO pump fan connector, and three chassis fan connectors, ensuring efficient airflow and thermal management for your system.

20Gbs USB 3.2 Gen2x2 This board features 20Gb/s USB 3.2 Gen2x2 connectors, offering lightning-fast data transfers ideal for gaming peripherals, 4K video editing rigs, and high-speed external storage solutions.

Fully Equipped I/O

Performance Features

Even More Options In addition to everything mentioned, this board is loaded with four SATA ports, three addressable LED headers for Polychrome Sync, an RGB LED header and a Realtek ALC897 7.1 CH HD Audio Codec. The addition of these features ensure that no matter your setup, ASRock have the basics covered.

Connectivity Features

EVERYTHING YOU NEED The ASRock Pro-A comes with HDMI, DisplayPort, a BIOS Flashback button, 2.5Gbps LAN, two addressable LED headers, RGB support, and a front USB 3.2 Gen1 Type-C header, giving you plenty of connectivity and customisation options in a compact package.

Specifications
Core Specifications
Edition B860M Pro-A
Form Factor MicroATX
CPU Socket 1851
Chipset Intel B860
RAM Memory Support
Memory Type DDR5
Memory Channel Dual (2)
Memory Type (ECC) Non-ECC
Memory Type (R/U) UDIMM (Unbuffered)
Memory Speed (Mhz)  
Max. Memory Capacity 256GB
Audio
Audio 7.1 Channel HD Audio
Graphics Support
Primary GPU Interface PCIe 5.0 (x16)
NVIDIA SLI Support N/A
AMD CrossFire Support N/A
Integrated Graphics Discrete GPU Required for Graphics Output
On-Board Graphics Connectors
  • DisplayPort 1.4
  • HDMI 2.1
Internal Connectivity
Expansion Slots
  • 1 x M.2 Key E (Supports Wi-Fi modules)
  • 1 x M.2, 22-30/42/60/80, PCIe Gen4x4
  • 1 x M.2, 22-80, PCIe Gen4x4
  • 1 x M.2, 22-80, PCIe Gen5x4
  • 1 x PCIe 4.0 x4
  • 1 x PCIe 5.0 x16
  • 4 x SATA 6GB/s
SATA Support N/A
RAID Support via  
Storage Mode Support
  • RAID 0
  • RAID 1
  • RAID 10
  • RAID 5
Internal I/O
  • 1 x 24-pin (Power)
  • 1 x 4-pin (Power)
  • 1 x 4-pin AIO Pump Connector
  • 3 x 4-pin CHA_FAN connector
  • 1 x 8-pin (Power)
  • 3 x Addressable Digital RGB Header
  • 2 x CPU Fan Connector
  • 1 x Front Panel Audio Header
  • 1 x Power LED / Speaker Header
  • 1 x RGB LED connector
  • 1 x Serial (COM) Header
  • 1 x TPM (SPI_TPM) header
  • 2 x USB 2.0 Header
  • 1 x USB 3.2 Gen1 Header
  • 1 x USB 3.2 Gen1 Type-C Front Panel Header
External Connectivity
Network Interface Type Wired 2.5 Gigabit LAN
Network Chip/Modules 1 x Realtek RTL8125BG
Rear I/O Connectors
  • 1 x BIOS Flashback Button
  • 1 x DisplayPort 1.4
  • 1 x Front Speaker Out
  • 1 x HDMI 2.1
  • 1 x Line In
  • 1 x Mic-In
  • 1 x RJ-45
  • 2 x USB 2.0
  • 3 x USB 3.2 Gen1 Type-A
  • 1 x USB 3.2 Gen2x2 Type-C
Additional Specifications
Water Cooled No
Cooling Passive Heatsinks
QPI Speed N/A
Board Dimensions 244 x 244 mm
Note  
Additional Information
Scan Code LN155300
Model Number 90-MXBRR-A0UAYZ
GTIN 4711581490291
Warranty

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Warranty information has not yet been updated for this product. For further information please call 01204 474747.

Buying Guide
Need help choosing the right board? Read our Intel Motherboard Buying Guide
ASRock B860M Pro-A DDR5 PCIe 5.0 Micro-ATX Motherboard
ASRock B860M Pro-A DDR5 PCIe 5.0 Micro-ATX Motherboard