ASUS PRIME B860M-K Intel DDR5 mATX Motherboard LGA 1851 - 90MB1JT0-M0EAY0
The ASUS PRIME B860M-K motherboard, designed for Intel's 12th and 13th Gen processors, delivers exceptional performance with its LGA 1851 socket and DDR5 support. Featuring robust power delivery, advanced cooling options, and dual M.2 slots for high-speed storage, it ensures seamless multitasking and gaming experiences. Ideal for compact builds.
Features


General
| SKU | CA3-CAA-8CB |
Features
| Brand | Asus |
| Model Number | 90MB1JT0-M0EAY0 |
| Warranty Support | 1 Year |
| Chipset | LGA 1851 |
| Memory Capacity | 256GB DDR5 |
| Operating System | Windows 10/11 | 32/64-bit |
| Colour | Black |
| Key Features |
- Supports Intel 12th and 13th Gen processors with LGA 1851 socket |
Description
ASUS PRIME B860M-K Intel DDR5 mATX Motherboard
The ASUS PRIME B860M-K motherboard is designed for those who seek a reliable and high-performance foundation for their Intel-based systems. This mATX motherboard, equipped with the LGA 1851 socket, supports Intel's latest processors, ensuring your build is future-ready.
With support for DDR5 memory, the ASUS PRIME B860M-K allows for faster data transfer and improved overall system performance. Experience enhanced multitasking capabilities and smoother gaming with memory speeds that can reach impressive heights. This motherboard accommodates up to 128GB of RAM, giving you the flexibility to configure your system to meet your specific needs.
Connectivity is a strong point of the ASUS PRIME B860M-K. Featuring multiple USB ports, including USB 3.2 Gen 2, you can effortlessly connect a wide range of peripherals and external devices. The motherboard also includes HDMI and DisplayPort outputs, supporting high-definition displays for an immersive visual experience, whether for gaming, content creation, or everyday use.
For those who value storage options, the ASUS PRIME B860M-K is equipped with multiple M.2 slots, allowing for lightning-fast NVMe SSDs. This not only enhances loading times but also provides ample space for all your applications and games. Additionally, the motherboard supports SATA drives, ensuring compatibility with traditional hard drives and SSDs.
Thermal management is crucial for maintaining optimal performance, and the ASUS PRIME B860M-K excels in this area. With comprehensive cooling solutions, including fan headers and a robust thermal design, you can ensure that your system runs cool and quiet, even during intensive tasks.
Durability is another hallmark of the ASUS PRIME series. Built with high-quality components, this motherboard is designed to withstand the rigours of daily use. ASUS’s exclusive features, such as SafeSlot Core and ESD Guards, offer enhanced protection against physical damage and static electricity, ensuring your investment is safeguarded.
Setting up your system is straightforward with the ASUS PRIME B860M-K. The user-friendly BIOS interface allows for easy adjustments and monitoring of system performance. Whether you are a novice or an experienced builder, you will appreciate the intuitive layout and comprehensive options available.
In addition to its technical specifications, the ASUS PRIME B860M-K boasts a sleek and modern design, making it an attractive addition to any build. The black and silver colour scheme complements a variety of components, allowing for a cohesive aesthetic.
Whether you're building a gaming rig, a workstation for creative tasks, or a general-purpose PC, the ASUS PRIME B860M-K provides the versatility and performance you need. Its combination of advanced features, robust build quality, and elegant design makes it a standout choice for anyone looking to create a powerful and efficient system.
Upgrade your computing experience with the ASUS PRIME B860M-K Intel DDR5 mATX Motherboard. With its impressive specifications and reliable performance, this motherboard is sure to meet and exceed your expectations.
Features
Powerful Performance for Intel Core Ultra
Engineered for Intel Core Ultra processors, the ASUS Prime B860M-K delivers smooth multitasking, stable overclocking, and exceptional computing efficiency.
High-Speed Connectivity and Expansion
Featuring PCIe 5.0, dual M.2 slots, and multiple USB ports, this board maximises storage, connectivity, and upgrade flexibility.
DIY-Friendly Design with Aura Sync RGB
With pre-fitted I/O shield, intuitive headers, and Aura Sync RGB, building and customising your PC has never been easier.
Next-Gen DDR5 Memory Speed
Experience blistering speeds up to 8800 MT/s with dual-channel DDR5 memory, ensuring faster load times and improved gaming performance.
Specification
CPU
CPU Socket: LGA1851
CPU Brand: Intel
Supported Processor Manufacturer: Intel
Supported Processors: Intel Core Ultra Processors (Series 2)
Installed Processors (Max): 0 (1)
64-bit Support: Yes
Chipset
Intel B860
Memory
Memory Type: DDR5
Memory Bus Speed: Up to 8800 MT/s (OC)
Maximum RAM: 96 GB
Memory Slots: 2 x DIMM
Memory Channel: Dual
Graphics
Integrated Graphics Supported: Yes
HDMI Connection: Yes (1 x HDMI 2.1)
DisplayPort Connection: Yes (1 x DisplayPort 1.4)
VGA Connection: No
DVI Connection: No
Multi GPU Support: No
Expansion
PCI Express Slots:
1 x PCI Express 4.0 x16 Slot
2 x PCI Express 4.0 x1 Slots
Storage
SATA Supported: Yes
SATA Ports: 4 x SATA III (6Gb/s)
RAID Supported: Yes
RAID Formats: RAID 0, 1, 5, 10
M.2 Support: Yes
Total M.2 Slots: 2
Maximum NVMe M.2 Ports: 2
M.2 Slot 1: Key M, Type 2242/2260/2280 (PCIe Gen5)
M.2 Slot 2: Key M, Type 2242/2260/2280 (PCIe Gen4)
Internal I/O Connectors
SATA Connectors: 4 x SATA III
USB Connectors:
1 x USB-C 3.0 Header (Supports 1 Port)
1 x USB 3.0 Header (Supports 2 Ports)
2 x USB 2.0 Headers (Supports 4 Ports)
Front Panel Connectors: 1 x Front Panel, 1 x Front Audio
Cooling Fan Support: 1 x CPU Fan Header, 2 x Chassis Fan Headers
S/PDIF Connectors: 1 x S/PDIF Out Header
Serial Connectors: 1 x COM Header
TPM Header: 1 x SPI TPM Header
Power Connector Ports: 1 x 24-pin ATX, 1 x 8-pin EPS
RGB Headers: 2 x 3-pin ARGB Headers, 1 x 4-pin RGB Header
Jumpers: 1 x Clear CMOS
Rear Panel I/O Ports
USB Ports:
1 x USB 3.1
2 x USB 3.0
3 x USB 2.0
Display Outputs:
1 x DisplayPort 1.4
1 x HDMI 2.1
Keyboard/Mouse Combo Port: 1 x PS/2
RJ-45 Ports: 1 x RJ-45
Audio Ports:
1 x Line In (3.5mm)
1 x Line Out (3.5mm)
1 x Microphone In (3.5mm)
Audio
Integrated Sound: Realtek 7.1 Channel High Definition Audio
On-board Audio Type: 7.1
S/PDIF Output: Yes
Networking
Integrated Network: Realtek
Network Speeds Supported: Up to 2.5 Gbps
Wireless LAN: No
Bluetooth: No
Wireless Network: No
Software and Drivers
Software Included: Yes (may include trial or restricted versions)
Drivers Included: Yes
System Requirements
Operating Systems Supported: Microsoft Windows 11
Environmental
Operating Humidity: Standard operational range
Accessories (Included in Box)
2 x SATA 6Gb/s Cables
1 x I/O Shield
2 x M.2 Anchors
1 x Quick Start Guide
Physical
Form Factor: Micro-ATX (mATX)
Motherboard Width: 222 mm
Motherboard Height: 244 mm
Weight: 0.585 kg
Main Colour: Black
Power Requirement (Auto): 60 W
CPU Power Pins (Female): 8
Lighting and Control
On-board RGB Control: ASUS Aura Sync
RGB Header Type: 3-Pin ARGB
Addressable RGB: Yes
