ASUS PRIME B860-PLUS-CSM Intel ATX Motherboard
ASUS PRIME B860-PLUS-CSM Intel ATX Motherboard
Scan code: LN154660 Manufacturer code: 90MB1KA0-M0EAYC
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ASUS PRIME B860-PLUS-CSM Intel ATX Motherboard

ASUS PRIME B860-PLUS-CSM, Intel B860, LGA1851, DDR5, PCIe 5.0, 3x M.2, 2.5GbE, USB 20Gbps Type-C, ATX

Scan code: LN154660 Manufacturer code: 90MB1KA0-M0EAYC
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Product Overview

ASUS PRIME B860-PLUS-CSM

ASUS PRIME series motherboards are expertly engineered to unleash the full potential of the latest Intel Core Ultra Processors (Series 2). Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, the PRIME B860-PLUS-CSM motherboard provides users and PC DIY builders with a range of performance optimizations via intuitive software and firmware features. It’s designed to be Advanced AI PC-ready, offering the power and connectivity needed for demanding AI applications.


AI Solutions

ASUS AI Solutions include AI Advisor as your technical expert with expertise in PC performance.

AI Advisor
ASUS AI Advisor allows users to explore the functionality and advanced features of ASUS motherboards in a simple and straightforward way.


Robust Power Design

Stable power is crucial for maximizing the performance of Intel Core Ultra Processors (Series 2). The PRIME B860-PLUS-CSM is designed to meet the needs of high-core-count CPUs. It features 8(80A) + 1(80A) + 1(80A) + 1(80A) power stages that integrate high-side and low-side MOSFETs and drivers into packages rated for up to 80 amperes each. This configuration ensures optimal power delivery, efficiency, stability and performance for both current and future Intel processors. Stable power is crucial for maximising the performance of Intel Core Ultra Processors (Series 2). The PRIME B860-PLUS-CSM is designed to meet the needs of high-core-count CPUs. It features 8(80A) + 1(80A) + 1(80A) + 1(80A) power stages that integrate high-side and low-side MOSFETs and drivers into packages rated for up to 80 amperes each. This configuration ensures optimal power delivery, efficiency, stability and performance for both current and future Intel processors.

Six-Layer PCB Design
The multi-layered printed circuit board design quickly dissipates heat around the voltage regulators to improve overall system stability and provide the CPU with more overclocking headroom.

ProCool Connector
Proprietary connectors augment the motherboard’s link to the power supply with 8 pin connector that pass 12 volts of power directly to the processor. Each connector features solid pins that can handle more current than hollow-pin connectors.

Power Saving
The Power Saving function contains several settings to easily optimize power consumption and maximize energy savings. You can enable a CPU power limit, darken Aura lighting and set the fan profile to a Power Saving mode. You can also toggle the Power Saver plan that is built into Microsoft Windows.

Digi+ VRM Control
The Digi+ voltage-regulator module (VRM) delivers real-time control over voltage droop, automatically switching frequency and power-efficiency settings.


AEMP III for Ultimate DDR5 Performance

ASUS Enhanced Memory Profile III (AEMP III) is an advanced firmware feature that empowers users to achieve unparalleled memory performance with cutting-edge CUDIMM memory. Through a two-phase comprehensive tuning process, AEMP III first optimises the clock driver and then the memory frequency. This results in the best balance between performance and stability, even at cutting-edge speeds of DDR5-7600 or higher.


DIMM Fit

DIMM Fit is an ASUS-exclusive BIOS feature that precisely analyses individual memory modules to optimise performance and pinpoint potential issues. This offers peak efficiency, compatibility, and system stability. Whether you are an overclocker seeking ultimate performance, a competitor pursuing the most responsive gameplay, or a content creator prioritising rock-solid stability, DIMM Fit provides optimisations tailored to your needs and your hardware configuration.


Three M.2 slots (up to 128Gbps)

PRIME B860-PLUS-CSM offers a total of three M.2 slots, including one that supports data-transfer speeds of up to 128Gbps via PCIe 5.0, one that support 64Gbps via PCIe 4.0. This enables quicker boot-up and app load times with OS or application drives.


Cooler by Design

The PRIME B860-PLUS-CSM motherboard is engineered with multiple onboard heatsinks and an array of hybrid fan headers to help ensure your rig stays cool and stable under intense workloads.

AIO Pump Header
A dedicated PWM/DC header supports self-contained water-cooling setups.

VRM Heatsinks and Thermal Pads
The massive VRM heatsinks and essential thermal pads improve heat transfer from the MOSFETs and chokes for better cooling performance.

Multiple Temperature Sources
Each header can dynamically reference four thermal sensors. Fan Xpert 2+ lets you to map the temperature of supported ASUS graphics cards to optimize cooling for GPU- and CPU-intensive tasks.

4-Pin PWM/DC Fan
Each onboard header supports auto-detection of PWM or DC fans.

M.2 Heatsink
One M.2 heatsink takes care of the M.2 slot, preventing throttling that can occur with M.2 storage during extended transfers.

Passive Chipset Heatsink
An aluminium passive chipset heatsink ensures optimal cooling and stable performance. It is more durable and longer-lasting than heatsinks with fans, which can be vulnerable to the build-up of dust and debris.

Smart Protection
A dedicated integrated circuit protects each fan header from overheating and excess current.

ASUS Fan Xpert 2+
ASUS Fan Xpert 2+ software provides comprehensive control over fans. An Auto-Tuning mode intelligently configures all parameters with a single click. There’s also an Extreme Quiet mode that reduces chassis fan speeds to below the default minimum to keep your system whisper-quiet when performing light tasks. Fans can also be controlled via the UEFI BIOS.


Empowering Connections

The PRIME B860-PLUS-CSM motherboard offers a versatile range of connectivity, including the latest version of PCI Express, while an arsenal of USB ports includes Type-C connections expands compatibility and bandwidth even further.

USB 20Gbps port
A batch of USB ports supports high-end rigs loaded with peripherals, including a rear USB Type-C port with transmission speeds of up to 20Gbps.

PCIe 5.0 slot
The latest processors introduce PCIe 5.0 support, doubling data transfer speeds compared to PCIe 4.0, enhancing signal integrity, and providing backward-compatible CEM connectors and support for previous PCIe versions.


Customisation and Personalisation

The PRIME B860-PLUS-CSM enhances the user experience across the board, from simplifying BIOS setting adjustments to offering customisable RGB lighting controls for a uniquely personal system aesthetic.

UEFI BIOS
The UEFI interface delivers easy-to-use configuration options for PC beginners, and advanced features for veterans.

ASUS DriverHub
Simplify driver management with automatic detection, one-click installation and update for smooth, efficient system performance.

Armoury Crate
Customise Aura Sync RGB and control ASUS devices. Includes product registration and updates.

Aura Sync
Complete RGB lighting control for enthusiast systems, ensuring seamless synchronisation with compatible hardware.

Addressable Gen2 RGB Headers
Three Addressable Gen2 headers detect LED counts on compatible RGB devices, automatically adjusting lighting effects accordingly.


DIY Friendly

Pre-mounted I/O Shield
Our pre-installed I/O shield safeguards ports, simplifies the build process, increases functionality and enhances aesthetics for PC DIY enthusiasts.

SafeSlot
PCIe 5.0 is twice as fast as PCIe 4.0. ASUS has adapted our SMT manufacturing for the faster SafeSlot, a reinforced metal sheath that ensures secure card installation and faster data speeds.

Q-LED
The on-board Q-LED troubleshooting lights give PC builders a quick indicator to confirm that key components - CPU, RAM, graphics card, storage devices - are functioning normally during start-up.


ASUS Corporate Stable Model

ASUS Corporate Stable Model (CSM) is a commercial program designed to provide stable and reliable motherboards. Offering up to 36-month product lifecycle support and 6-month end-of-life notice to allow sufficient lead times for your organization to get ready for product transitions. Each purchase of an ASUS CSM motherboard comes with ASUS Control Centre Express - server-grade IT management software.


ASUS Control Centre Express

ASUS Control Centre Express is an integrated IT monitoring and management software designed to deploy faster, simplify IT operations and improve productivity with comprehensive control and user-friendly functions. ASUS Control Centre Express is compatible with over 100 ASUS motherboards to provide a high-quality, TCO-optimized solution for your business needs.

Optimise IT Endpoint Management
Designed to assist IT staff in monitoring and controlling devices within their corporate networks, and facilitate inventory checking in multiple locations remotely.

Automate IT Maintenance
Allows IT staff to schedule automatic updates of the latest BIOS, software and utilities to specific or all devices at off-peak times, enhancing system stability and IT operational flexibility.

Securely Manage All of Endpoints
Securely manage endpoint configuration, portable storage access and PC software applications by enabling them to create grouping rules on individual devices.


Features

Ready for Advanced AI PC: Designed for the future of AI computing, with the power and connectivity needed for demanding AI applications
Intel LGA 1851 Socket: Support Intel® Core™ Ultra Processors (Series 2)
Enhanced Power Solution: 8+1+1+1 80A DrMOS power stages, 6-layer PCB, 8+8 pin ProCool power connectors, alloy chokes and durable capacitors for stable power delivery
Latest M.2 Support: One onboard PCIe 5.0 M.2 slot equipped with one M.2 heatsink and two PCIe 4.0 M.2 slots
Ultrafast Connectivity: PCIe 5.0 x16 slot, Realtek 2.5Gb Ethernet, rear USB 20Gbps Type-C® port, front USB 5Gbps Type-C® connector
Comprehensive Cooling: Enlarged VRM heatsink, one M.2 heatsink, PCH heatsink, hybrid fan headers and Fan Xpert 2+
DIY Friendly Design: Q-Dashboard, Q-DIMM, Q-LED, Q-slot and Pre-mounted I/O shield
Unmatched Personalization: Three Addressable Gen 2 headers, all configurable with ASUS-exclusive Aura Sync RGB lighting
Renowned Software: ASUS DriverHub, ASUS MyHotkey, Aura Sync


Specifications
Core Specifications
Edition B860-PLUS-CSM
Form Factor ATX
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) DDR5 - 8200(OC)
Max. Memory Capacity 192GB
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  
On-Board Graphics Connectors None
Internal Connectivity
Expansion Slots
  • 1 x M.2, 22-42/60/80, PCIe Gen4x4
  • 1 x M.2, 22-42/60/80, PCIe Gen5 x4
  • 1 x M.2, 22-42/60/80/110, PCIe Gen4x4
  • 1 x PCIe 4.0 x16 (x4 Bandwidth)
  • 1 x PCIe 5.0 x16
SATA Support N/A
RAID Support via SATA
Storage Mode Support
  • RAID 0
  • RAID 1
  • RAID 10
  • RAID 5
Internal I/O
  • 1 x 24-pin (Power)
  • 1 x 4-pin AIO_PUMP Connector
  • 4 x 4-pin CHA_FAN connector
  • 1 x 4-pin CPU Fan Connector
  • 1 x 4-pin CPU OPT Fan Connector
  • 1 x 8-pin (Power)
  • 3 x Addressable Gen 2 Header
  • 1 x Aura RGB Header
  • 1 x Chassis Intrusion connector
  • 1 x Clear CMOS Header
  • 1 x Front Panel Audio Header
  • 1 x S/PDIF-Out Header
  • 4 x SATA III - 6Gb/s
  • 1 x Serial (COM) Header
  • 1 x System panel connector
  • 1 x TPM (SPI_TPM) header
  • 2 x USB 2.0 Header
  • 1 x USB4 Header
External Connectivity
Network Interface Type Wired 2.5 Gigabit LAN (10/100/1000/2500)
Network Chip/Modules 1 x Realtek (2.5GbE LAN)
Rear I/O Connectors
  • 1 x 10/100/1000/2500 (LAN)
  • 3 x Audio I/O
  • 1 x DisplayPort
  • 1 x HDMI
  • 3 x USB
  • 2 x USB 2.0
  • 1 x USB Type-C
Additional Specifications
Water Cooled No
Cooling Passive Heatsinks
QPI Speed N/A
Board Dimensions 305 x 244 x 49 (L x W x H) mm
Note  
Additional Information
Scan Code LN154660
Model Number 90MB1KA0-M0EAYC
GTIN 4711387814857
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
ASUS PRIME B860-PLUS-CSM Intel ATX Motherboard
ASUS PRIME B860-PLUS-CSM Intel ATX Motherboard