ASUS PRIME B860M-K Intel B860 Micro ATX Motherboard
£125.59 inc VAT
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About This Item
- Intel B860 micro ATX motherboard for Intel Core Ultra (Series 2) processors
- Supports DDR5-SDRAM memory up to 128 GB in dual-channel configuration
- Features 2 M.2 slots with PCIe 5.0 and 4.0 support for high-speed storage
- Includes 4 SATA III ports and supports RAID 0, 1, 5, and 10 configurations
- Offers 7.1 channel audio and 2.5 Gigabit Ethernet connectivity
- Provides 2 USB 3.2 Gen 1 and 1 USB 3.2 Gen 2 Type-A ports
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ASUS PRIME B860M-K | Intel B860 LGA 1851 micro ATX Motherboard
The ASUS PRIME B860M-K Intel B860 LGA 1851 (Socket V1) micro ATX motherboard delivers a robust foundation for building Intel Core Ultra (Series 2) systems. Designed with comprehensive cooling, reliable power delivery, and AI-ready connectivity, it’s built for users who want a dependable, feature-rich platform without overspending.
Product Specifications
| Metric | Spec |
|---|---|
| Socket | LGA 1851 (Socket V1) |
| Memory Support | DDR5, up to 128 GB |
| M.2 Slots | 2 (Gen 5.0 + Gen 4.0) |
| Ethernet | 2.5 Gigabit |
Next-Gen Performance for Intel Core Ultra Processors
Built to support Intel’s latest Core Ultra (Series 2) processors, the PRIME B860M-K provides the foundation for powerful next-generation computing. Its Intel B860 chipset delivers solid performance for gaming, content creation, and everyday productivity. With dual-channel DDR5 memory support and a maximum capacity of 128 GB, this motherboard ensures your system can handle demanding workloads and multitasking with ease.
Storage Versatility with M.2 and SATA Options
Storage flexibility is a key strength of this micro ATX board. It features two M.2 slots – one supporting PCIe 5.0 for ultra-fast NVMe drives and another with PCIe 4.0 – plus four SATA III ports. This combination allows you to configure multiple high-speed drives or create a balanced storage setup with both SSDs and HDDs. RAID support across levels 0, 1, 5, and 10 gives you options for performance optimization or data protection.
Comprehensive Connectivity and Expansion
Despite its micro ATX form factor, this motherboard offers impressive connectivity. You’ll find USB 3.2 Gen 2 and Gen 1 Type-A ports, HDMI and DisplayPort outputs, and a 2.5 Gb Ethernet port for reliable networking. The board includes two PCIe x1 Gen 4 slots and one PCIe x16 Gen 4 slot for graphics cards, providing room for expansion without compromising on essential features. Front panel audio, RGB headers, and multiple fan headers round out the connectivity options.
Smart Cooling and Power Design
ASUS has engineered the PRIME B860M-K with thermal management in mind. Multiple fan headers allow you to create an effective cooling strategy for your build, while the robust power design ensures stable operation under load. The UEFI BIOS makes it easy to monitor system temperatures and adjust fan curves, helping you maintain optimal performance whether you’re gaming or working on intensive projects.
Box contents
- ASUS PRIME B860M-K motherboard
- SATA cables (quantity not specified)
- I/O shield
- User manual and driver DVD
Key points to check
- Confirm your Intel Core Ultra (Series 2) processor is compatible with LGA 1851
- Verify your case supports micro ATX dimensions (244 x 222 mm)
- Check if your GPU and other expansion cards fit with the PCIe layout
- Confirm you have appropriate DDR5 memory modules
Common questions
What processors work with this motherboard?
Does it support Wi-Fi?
How many RAM slots are available?
What graphics outputs does it have?
Can I use this for gaming?
The short version
The ASUS PRIME B860M-K offers excellent value for users building Intel Core Ultra (Series 2) systems who need reliable performance in a compact micro ATX form factor. Its combination of DDR5 support, PCIe 5.0 storage, and comprehensive connectivity makes it suitable for gaming, content creation, and everyday computing. Covered by the applicable manufacturer warranty.
| Front panel connector | Yes |
|---|---|
| 12V power connector | Yes |
| USB 2.0 connectors | 2 |
| USB 3.2 Gen 1 3.1 Gen 1 connectors | 2 |
| TPM connector | Yes |
| S/PDIF out connector | Yes |
| Number of SATA III connectors | 4 |
| Number of COM connectors | 1 |
| Number of chassis fan connectors | 2 |
| Front panel audio connector | Yes |
| CPU fan connector | Yes |
| ATX Power connector 24-pin | Yes |
| RGB LED pin header | Yes |
| Processor manufacturer | Intel |
| Compatible processor series | Intel Core Ultra (Series 2) |
| Processor socket | LGA 1851 (Socket V1) |
| Number of memory slots | 2 |
| Memory slots type | DIMM |
| Memory channels | Dual-channel |
| Maximum internal memory | 128 GB |
| Unbuffered memory | Yes |
| ECC сompatibility | Non-ECC |
| Number of HDDs supported | 4 |
| Supported storage drive types | HDD & SSD |
| Supported storage drive interfaces | M.2, SATA III |
| RAID levels | 1, 5, 10 |
| Number of storage drives supported | 6 |
| RAID support | Yes |
| Parallel processing technology support | Not supported |
| USB 3.2 Gen 1 3.1 Gen 1 Type-A ports quantity | 2 |
| USB 3.2 Gen 2 3.1 Gen 2 Type-A ports quantity | 1 |
| USB 2.0 ports quantity | 2 |
| PS/2 ports quantity | 1 |
| HDMI ports quantity | 1 |
| Ethernet LAN RJ-45 ports | 1 |
| DisplayPorts quantity | 1 |
| Motherboard chipset family | Intel |
| Supported processor sockets | LGA 1851 |
| Audio output channels | 7.1 channels |
| Component for | PC |
| Number of M.2 M slots | 2 |
| PCI Express x16 Gen 4.x slots | 1 |
| 1st M.2 largest key size | 2280 |
| 1st M.2 highest PCI Express generation | 5.0 |
| 2nd M.2 largest key size | 2280 |
| 2nd M.2 highest PCI Express generation | 4.0 |
| BIOS type | UEFI AMI |
| BIOS memory size | 256 Mbit |
| Windows operating systems supported | Windows 10 x64, Windows 11 |
| Width | 244 mm |
| Depth | 222 mm |
| Cables included | SATA |
| Package width | 270 mm |
| Package depth | 263 mm |
| Package height | 51.5 mm |
| Package weight | 1.07 kg |
| PCI Express x1 Gen 4.x slots | 2 |
| Distributor SKUs | MBD-90MB1JT0-M0EAY0, 11508268, 126203, 90MB1JT0-M0EAY0., 544147, STD10219412, 1998084, CL90MB1JT0-M0EAY0, 20144849000 |
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