ASUS Prime B860M-K, LGA1851, Micro-ATX Motherboard
The ASUS Prime B860M-K, LGA1851, Micro-ATX Motherboard is designed to deliver stable performance, modern connectivity, and intelligent optimization for next-generation desktop systems. Built on the Intel B860 chipset and supporting Intel Core Ultra Processors Series 2, this motherboard provides the power delivery and advanced features required for modern computing, gaming, and AI-accelerated workloads.
The ASUS Prime B860M-K, LGA1851, Micro-ATX Motherboard features a 6+1+1+1 phase digital power design that ensures efficient and stable power delivery to the processor. This configuration helps maintain consistent performance during demanding workloads while improving overall system stability for everyday computing and productivity tasks.
To support modern high-speed memory, the motherboard includes ASUS Enhanced Memory Profile III. This firmware feature automatically optimizes DDR5 memory modules through advanced tuning processes that improve memory frequency and stability. With support for DDR5 memory speeds reaching up to 7600 MHz through overclocking, the motherboard allows users to achieve improved system responsiveness.
For storage performance, the ASUS Prime B860M-K, LGA1851, Micro-ATX Motherboard includes two M.2 slots, including one PCIe 5.0 M.2 slot capable of delivering transfer speeds up to 128 Gb/s. This enables ultra-fast SSD performance and significantly reduces application loading times and system boot speeds.
The motherboard also includes intelligent cooling features such as VRM heatsinks, chipset cooling, and multiple fan headers that help regulate system temperatures. The ASUS Fan Xpert 2+ software allows users to automatically adjust fan speeds based on system temperature to maintain optimal cooling and quiet operation.
Connectivity features include Realtek 2.5Gb Ethernet networking and multiple high-speed USB ports including USB Type-C. These connections provide fast data transfers and reliable networking performance for gaming, streaming, and productivity workloads.
The ASUS Prime B860M-K, LGA1851, Micro-ATX Motherboard also includes ASUS Aura Sync RGB support, allowing users to synchronize lighting across compatible components to create a personalized PC build.
Key Features
• Supports Intel Core Ultra Processors Series 2 with LGA1851 socket
• Intel B860 chipset with optimized performance features
• Micro-ATX form factor for compact PC builds
• 6+1+1+1 phase digital power design for stable CPU power delivery
• DDR5 memory support with AEMP III memory optimization
• PCIe 5.0 M.2 slot with up to 128 Gb/s bandwidth
• Additional PCIe 4.0 M.2 storage slot
• PCIe 4.0 x16 slot with reinforced SafeSlot Core+ design
• Realtek 2.5Gb Ethernet high-speed networking
• USB Type-C and USB 10Gbps connectivity
• ASUS Fan Xpert 2+ intelligent cooling control
• Aura Sync RGB lighting support for system customization
Technical Specifications
| Specification | Details |
|---|---|
| Model | ASUS Prime B860M-K |
| Form Factor | Micro-ATX |
| Chipset | Intel B860 |
| CPU Socket | LGA1851 |
| Supported CPUs | Intel Core Ultra Processors Series 2 |
Memory
| Specification | Details |
|---|---|
| Memory Type | DDR5 |
| Memory Slots | 2 DIMM |
| Memory Channels | Dual Channel |
| Memory Overclocking | Up to DDR5-7600 (OC) |
| Memory Optimization | ASUS AEMP III |
Expansion Slots
| Specification | Details |
|---|---|
| PCIe Slot | 1 × PCIe 4.0 x16 |
| Additional Slots | 2 × PCIe 4.0 x1 |
| GPU Slot Protection | SafeSlot Core+ reinforced slot |
Storage
| Specification | Details |
|---|---|
| M.2 Slots | 2 |
| Primary Slot | PCIe 5.0 x4 (up to 128 Gb/s) |
| Secondary Slot | PCIe 4.0 x4 (up to 64 Gb/s) |
Networking
| Specification | Details |
|---|---|
| LAN | Realtek 2.5Gb Ethernet |
Connectivity
| Specification | Details |
|---|---|
| USB Ports | USB 10Gbps Type-A, USB 5Gbps Type-C |
| Front I/O | USB Type-C header available |
Cooling
| Specification | Details |
|---|---|
| VRM Cooling | VRM heatsinks with thermal pads |
| Chipset Cooling | Passive chipset heatsink |
| Fan Control | ASUS Fan Xpert 2+ |
Lighting
| Specification | Details |
|---|---|
| RGB Control | Aura Sync RGB |
| ARGB Headers | Addressable Gen2 RGB headers |
User Experience
The ASUS Prime B860M-K, LGA1851, Micro-ATX Motherboard provides a balanced platform for gaming, productivity, and AI-based workloads.
Users benefit from stable CPU power delivery and DDR5 memory support that improve system responsiveness and performance during demanding applications.
The PCIe 5.0 storage interface allows ultra-fast SSD speeds, reducing loading times in modern applications and games.
Integrated cooling technologies and fan control software help maintain optimal system temperatures while minimizing noise.
With customizable RGB lighting and intuitive software tools, users can easily configure system performance and personalize their PC build.
Included Items
• ASUS Prime B860M-K Motherboard
• SATA cables
• I/O shield
• Installation screws and accessories
• User manual and documentation
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The ASUS Prime B860M-K, LGA1851, Micro-ATX Motherboard is designed to deliver stable performance, modern connectivity, and intelligent optimization for next-generation desktop systems. Built on the Intel B860 chipset and supporting Intel Core Ultra Processors Series 2, this motherboard provides the power delivery and advanced features required for modern computing, gaming, and AI-accelerated workloads.
The ASUS Prime B860M-K, LGA1851, Micro-ATX Motherboard features a 6+1+1+1 phase digital power design that ensures efficient and stable power delivery to the processor. This configuration helps maintain consistent performance during demanding workloads while improving overall system stability for everyday computing and productivity tasks.
To support modern high-speed memory, the motherboard includes ASUS Enhanced Memory Profile III. This firmware feature automatically optimizes DDR5 memory modules through advanced tuning processes that improve memory frequency and stability. With support for DDR5 memory speeds reaching up to 7600 MHz through overclocking, the motherboard allows users to achieve improved system responsiveness.
For storage performance, the ASUS Prime B860M-K, LGA1851, Micro-ATX Motherboard includes two M.2 slots, including one PCIe 5.0 M.2 slot capable of delivering transfer speeds up to 128 Gb/s. This enables ultra-fast SSD performance and significantly reduces application loading times and system boot speeds.
The motherboard also includes intelligent cooling features such as VRM heatsinks, chipset cooling, and multiple fan headers that help regulate system temperatures. The ASUS Fan Xpert 2+ software allows users to automatically adjust fan speeds based on system temperature to maintain optimal cooling and quiet operation.
Connectivity features include Realtek 2.5Gb Ethernet networking and multiple high-speed USB ports including USB Type-C. These connections provide fast data transfers and reliable networking performance for gaming, streaming, and productivity workloads.
The ASUS Prime B860M-K, LGA1851, Micro-ATX Motherboard also includes ASUS Aura Sync RGB support, allowing users to synchronize lighting across compatible components to create a personalized PC build.
Key Features
• Supports Intel Core Ultra Processors Series 2 with LGA1851 socket
• Intel B860 chipset with optimized performance features
• Micro-ATX form factor for compact PC builds
• 6+1+1+1 phase digital power design for stable CPU power delivery
• DDR5 memory support with AEMP III memory optimization
• PCIe 5.0 M.2 slot with up to 128 Gb/s bandwidth
• Additional PCIe 4.0 M.2 storage slot
• PCIe 4.0 x16 slot with reinforced SafeSlot Core+ design
• Realtek 2.5Gb Ethernet high-speed networking
• USB Type-C and USB 10Gbps connectivity
• ASUS Fan Xpert 2+ intelligent cooling control
• Aura Sync RGB lighting support for system customization
Technical Specifications
| Specification | Details |
|---|---|
| Model | ASUS Prime B860M-K |
| Form Factor | Micro-ATX |
| Chipset | Intel B860 |
| CPU Socket | LGA1851 |
| Supported CPUs | Intel Core Ultra Processors Series 2 |
Memory
| Specification | Details |
|---|---|
| Memory Type | DDR5 |
| Memory Slots | 2 DIMM |
| Memory Channels | Dual Channel |
| Memory Overclocking | Up to DDR5-7600 (OC) |
| Memory Optimization | ASUS AEMP III |
Expansion Slots
| Specification | Details |
|---|---|
| PCIe Slot | 1 × PCIe 4.0 x16 |
| Additional Slots | 2 × PCIe 4.0 x1 |
| GPU Slot Protection | SafeSlot Core+ reinforced slot |
Storage
| Specification | Details |
|---|---|
| M.2 Slots | 2 |
| Primary Slot | PCIe 5.0 x4 (up to 128 Gb/s) |
| Secondary Slot | PCIe 4.0 x4 (up to 64 Gb/s) |
Networking
| Specification | Details |
|---|---|
| LAN | Realtek 2.5Gb Ethernet |
Connectivity
| Specification | Details |
|---|---|
| USB Ports | USB 10Gbps Type-A, USB 5Gbps Type-C |
| Front I/O | USB Type-C header available |
Cooling
| Specification | Details |
|---|---|
| VRM Cooling | VRM heatsinks with thermal pads |
| Chipset Cooling | Passive chipset heatsink |
| Fan Control | ASUS Fan Xpert 2+ |
Lighting
| Specification | Details |
|---|---|
| RGB Control | Aura Sync RGB |
| ARGB Headers | Addressable Gen2 RGB headers |
User Experience
The ASUS Prime B860M-K, LGA1851, Micro-ATX Motherboard provides a balanced platform for gaming, productivity, and AI-based workloads.
Users benefit from stable CPU power delivery and DDR5 memory support that improve system responsiveness and performance during demanding applications.
The PCIe 5.0 storage interface allows ultra-fast SSD speeds, reducing loading times in modern applications and games.
Integrated cooling technologies and fan control software help maintain optimal system temperatures while minimizing noise.
With customizable RGB lighting and intuitive software tools, users can easily configure system performance and personalize their PC build.
Included Items
• ASUS Prime B860M-K Motherboard
• SATA cables
• I/O shield
• Installation screws and accessories
• User manual and documentation
