ASRock B860 Pro RS ATX Motherboard, LGA 1851, Intel B860, DDR5

SKU: B860PRORS

Original price was: £152.39.Current price is: £143.99.

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About This Item

  • Intel B860 chipset with LGA 1851 socket supporting Intel Core Ultra Series 2 processors
  • ATX form factor measuring 305 mm by 244 mm
  • Four DIMM slots supporting up to 256 GB of dual-channel DDR5-SDRAM memory up to 8666 MHz
  • Three M.2 slots and four SATA III connectors supporting up to seven storage drives with RAID 0, 1, 5, 10
  • Dragon RTL8125BG controller providing 2.5 Gigabit Ethernet LAN connectivity
  • Realtek ALC897 audio chip supporting 7.1 channels
  • PCIe Gen 5.x and Gen 4.x slots with reinforced steel slot construction
Description

ASRock B860 Pro RS – Built for Intel Core Ultra

When you build a modern system, our ASRock B860 Pro RS ATX Motherboard, LGA 1851, Intel B860, DDR5 delivers robust stability for creators and daily users alike. We designed this platform to handle Intel Core Ultra processors with refined power delivery and advanced thermal management. Because it supports high-speed memory and fast storage standards, your workstation remains responsive under heavy loads.

Core numbers

Metric Spec.
Form Factor ATX
Socket LGA 1851
Chipset Intel B860
Memory Type DDR5
Ethernet 2.5 Gigabit

Advanced Power and Thermal Stability

We integrated a 10+1+1 power phase design alongside Dr.MOS technology to ensure smooth current delivery. Because high-density power connectors withstand elevated currents, your system stays protected during demanding tasks. Also, the six-layer PCB lowers temperatures and keeps signal traces clean for memory overclocking.

Next-Generation Storage and Connectivity

You can install ultra-fast solid-state drives using the PCIe Gen5 Blazing M.2 slot. This connection offers double the bandwidth of previous generations for rapid file transfers. Furthermore, the integrated Dragon 2.5 Gb/s LAN delivers uninterrupted networking for large backups and online applications.

Customisable Lighting and Clear Display Outputs

We included both onboard RGB headers and addressable headers so you can easily sync your cooling fans and chassis lighting. For video output without a dedicated graphics card, the rear panel provides both HDMI and DisplayPort options. SignalRGB support also unifies your lighting control across compatible devices.

What you receive

  • ASRock B860 Pro RS Motherboard
  • SATA data cables

Before you order

  • Confirm your processor belongs to the Intel Core Ultra series.
  • Check that your chassis supports the ATX form factor.
  • Confirm your memory modules are DDR5 compatible.

Frequently Asked Questions

Q: What CPU socket does this board use?

A: It uses the LGA 1851 socket.

Q: How many M.2 slots are available?

A: You get three M.2 M slots for storage drives.

Q: Does this motherboard support Wi-Fi out of the box?

A: No, wireless networking is not included.

Q: What is the maximum supported memory?

A: It supports up to 256 GB of DDR5 memory.

The final verdict

If you want a dependable foundation for an Intel Core Ultra build, this ATX board offers solid features and robust connectivity.

Specifications
Internal I/O
Number of M.2 (M) slots3
Supported storage drive interfacesM.2, SATA III
USB 2.0 connectors2
USB 3.2 Gen 1 (3.1 Gen 1) connectors2
TPM connectorYes
Number of SATA III connectors4
Number of chassis fan connectors4
Front panel audio connectorYes
EPS power connector (8-pin)Yes
CPU fan connectorYes
ATX Power connector (24-pin)Yes
RGB LED pin headerYes
Number of CPU fan connectors2
Number of EPS power connectors (8-pin)1
Technical details
Motherboard chipset familyIntel
Motherboard chipsetIntel B860
Motherboard form factorATX
Component forPC
Audio
Audio output channels7.1 channels
Performance
Supported storage drive typesHDD & SSD
Windows operating systems supportedWindows 11 x64
Motherboard chipset familyIntel
Motherboard chipsetIntel B860
RAID levels0, 1, 5, 10
Audio output channels7.1 channels
Motherboard form factorATX
Component forPC
Processor
Processor manufacturerIntel
Compatible processor seriesIntel Core Ultra (Series 2)
Processor socketLGA 1851 (Socket V1)
Memory
Number of memory slots4
Memory slots typeDIMM
Supported memory typesDDR5-SDRAM
Memory channelsDual-channel
Maximum internal memory256 GB
Unbuffered memoryYes
Supported memory clock speed (max)8666 MHz
Storage controllers
Supported storage drive typesHDD & SSD
Supported storage drive interfacesM.2, SATA III
RAID levels0, 1, 5, 10
Number of storage drives supported7
RAID supportYes
Rear panel I/O ports
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity6
DisplayPort version1.4
USB 2.0 ports quantity2
Microphone inYes
HDMI ports quantity1
Ethernet LAN (RJ-45) ports1
DisplayPorts quantity1
USB 3.2 Gen 2x2 Type-C ports quantity1
Line-inYes
Network
Ethernet LANYes
Wi-FiNo
LAN controllerDragon RTL8125BG
Ethernet interface type2.5 Gigabit Ethernet
Top Wi-Fi standardNot available
Features
Windows operating systems supportedWindows 11 x64
Motherboard chipset familyIntel
Motherboard chipsetIntel B860
Audio output channels7.1 channels
Motherboard form factorATX
Component forPC
Audio chipRealtek ALC897
Expansion slots
Number of M.2 (M) slots3
PCI Express x16 (Gen 4.x) slots1
PCI Express x16 (Gen 5.x) slots1
BIOS
BIOS typeEFI AMI
BIOS memory size256 Mbit
Software
Windows operating systems supportedWindows 11 x64
Weight & dimensions
Width305 mm
Depth244 mm
Packaging content
Cables includedSATA
Identifiers
Distributor SKUsB860PRORS, 90-MXBRM-A0UAYZ, B860 PRO RS, 548794, CLB860PRORS

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