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ASRock B860 PRO-A

ATX Socket 1851 Intel B860 Express Motherboard - 4x DDR5 - M.2 PCIe 5.0 - USB 3.2 - PCI-Express 5.0 16x - LAN 2.5 GbE

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Overview

Exploit the full power of AI your Intel Core Ultra processor

The ASRock B860 PRO-A motherboard is designed for Intel Core Ultra Arrow Lake-S processors and is intended for users looking to exploit the full potential of their components. It supports DDR5 RAM up to 8666 MHz, PCI-Express 5.0 16x graphics cards, M.2 PCIe 5.0 and PCIe 4.0 SSDs and USB 3.2 peripherals. On the network side, the ASRock B860 PRO-A offers a 2.5 GbE LAN connector.

ASRock B860 PRO-A

  • Support for Intel Core Ultra Series 2 (Arrow Lake-S) processors on socket LGA 1851
  • Support for DDR5 8666 MHz memory (OC)
  • 10+1+1+1+1 Phases Dr.MOS for VCore + GT + SA
  • 1 M.2 PCIe 5.0 slot + 2 M.2 PCIe 4.0 slots + 4 SATA 6 Gbps ports
  • Hardened PCI-Express 5.0 16x port
  • 2.5 GbE LAN

Intel Core Ultra Arrow-Lake-S processors

Be ready to enter the new era of gaming, choose a PC with AI equipped with an Intel Core Ultra processor. Enjoy top performance for streaming and gaming. Entrust tasks involving AI such as background suppression, audio optimisation and automatic framing to the Neural Processing Unit (NPU) and you'll have ideal streaming and gaming conditions.
Specifications
Select your criteria

General information

Product name

ASRock B860 PRO-A

Brand

ASRock

Model

B860 PRO-A

Processor

Processor support

Intel 1851

Number of CPUs supported

1

Chipset

Chipset

Intel B860

Memory

Memory format

4 X DIMM 288 pins (DDR5)

Memory Frequency(ies)

DDR5 4400 MHz
DDR5 8666 MHz
DDR5 8400 MHz
DDR5 8200 MHz
DDR5 8000 MHz
DDR5 4800 MHz
DDR5 5200 MHz
DDR5 5600 MHz
DDR5 6000 MHz
DDR5 6200 MHz
DDR5 6400 MHz
DDR5 6600 MHz
DDR5 6800 MHz
DDR5 7000 MHz
DDR5 7200 MHz
DDR5 7600 MHz
DDR5 7800 MHz

Memory type

DDR5

Memory technology

Dual Channel

Maximum RAM capacity per slot

64 GB

Maximum RAM capacity

256 GB

Graphic

Integrated graphics controller

No

Compatible graphics core integrated in the CPU

Yes

Expansion slots

Graphic connector(s)

1 X PCI Express 5.0 x16

Number and Type of slots

1 X PCI Express 4.0 x16 (x4)

Multi-GPU type

None

Audio

Audio Chipset

Realtek ALC897

Number of audio channels

8

Network

Number of ports/Ethernet controler

1 X Realtek RTL8125BG

Network standard(s)

2.5 Gbps Gigabit Ethernet (2.5 GbE)

Wi-Fi

No

Storage

RAID supported

Yes

Hard drives connectors

4 X Serial ATA 6Gb/s (SATA Revision 3)
1 X M.2 - PCI-E 5.0 x4
2 X M.2 - PCI-E 4.0 x4

Number of M.2 slot(s)

3

Supported RAID Modes

0
1
10
5

Connectivity

Motherboard connector location

Standard connectors (on the motherboard)

Rear panel connectors

1 X RJ45 Female
1 X HDMI Female
1 X DisplayPort Female
1 X USB 3.2 Type C
6 X USB 3.0
2 X USB 2.0
3 X 3.5mm Jack Female Stereo
BIOS Flash Update

Additional connectors

1 X LED RGB connector(s)
3 X Addressable LED RGB connector(s)
Front panel audio
2 X +12V (Power supply P8)
1 X ATX 24 Pin
4 X Internal USB 2.0
2 X Internal USB 3.0
1 X Internal USB 3.0 Type C

Physical characteristics

Motherboard format

ATX

Length

305 mm

Width

244 mm

Equipment

Advanced overclocking features

No

Use

Gaming
Office

LED

No

Warranties

Commercial warranty

Legal warranty

Safety Information

Responsible person

ASRock EUROPE B.V.

Postal address

Bijsterhuizen 11-11 6546 AR Nijmegen The Netherlands

Electronic Address

sales@asrock.nl

Product referenced on 10 Mar 2025

Customer reviews
Global rating
10/10
based on 2 reviews Editorial and moderation guide
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    2 reviews
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  • by PatrickD
    Posted on 14 Jan 2026
    Bought on 29 Dec 2025 from LDLC
    Number of reviews: 12 Average rating: 10

    Basic Version

    Motherboard without Wi-Fi, but this can be added; there is space for a Wi-Fi card.
    This does not bother me as I do not use Wi-Fi.
    Good card with the option of adding an NVMe 4 for storage.
    Possibility to customise the fan settings.
    I set all the case fans to 15% and they can be triggered if the processor overheats to around 70°C.
    But for now, the case is no noisier than a small air conditioner, even when running the processor at full performance.
    In short, it's cool.

    Review automatically translated
  • by GaelM
    Posted on 2 Jan 2026
    Bought on 5 Dec 2025 from LDLC
    Number of reviews: 1 Average rating: 10

    reliable advice and quality products

    On the advice of my IT specialist, I have been purchasing computer equipment, spare parts and components from LDLC for the past six months. Honestly, it was excellent advice, because the equipment is very good and the advice is top-notch. Since I needed to replace my computer, it was only natural that I turned to LDLC. Again, I have no complaints. Although it was a significant expense, the sales staff gave me sound advice and the equipment works perfectly. I can easily switch between InDesign, Photoshop and Adobe Premiere. No lag or crashes.

    Review automatically translated