# Motherboard ASUS PRIME B860M-K Intel B860 LGA 1851 micro ATX

**URL:** https://aio.lv/en/product--asus-prime-b860m-k--11241121
**Data updated:** 2025-12-30 18:35 (EET)
**Category:** Motherboards
**Manufacturer:** Asus
**Manufacturer code:** PRIME B860M-K
**Warranty:** 3 Years
**Availability:** Available for order
**Price:** 135.49 €
**Prices and availability valid until:** 2026-08-01 23:59
**Price without VAT (21%):** 111.98 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--asus-prime-b860m-k--11241121

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Monday | free |
| Pickup points | 09.07.2026 | 1.89 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

The ASUS PRIME B860M-K motherboard features an Intel B860 chipset and LGA 1851 socket, supporting Intel Core Ultra processors. It supports DDR5-SDRAM with a maximum memory capacity of 128 GB across DIMM slots. Storage options include M.2 and SATA III interfaces for HDD and SSD drives, with RAID support for levels 0, 1, 5, and 10. The board is equipped with 2.5 Gigabit Ethernet for high-speed networking, making it an ideal choice for PC builds.

## Long description

The ASUS PRIME B860M-K is a micro ATX motherboard built on the Intel B860 chipset and designed for LGA 1851 (Socket V1) Intel Core Ultra processors. It supports DDR5 memory up to 128 GB across two DIMM slots, offers M.2 and SATA III storage interfaces with RAID 0/1/5/10 support, and includes 2.5 Gigabit Ethernet connectivity. The board targets PC builders seeking a compact, AI-ready platform with stable power delivery and versatile connectivity.
Advantages
The PRIME B860M-K provides a robust power design and comprehensive cooling options to maintain performance under load. Native support for DDR5 memory and modern storage interfaces (M.2, SATA III) enable fast system responsiveness and flexible drive configurations. Integrated 2.5 Gb Ethernet improves networking throughput for data-intensive tasks, while firmware and software tuning tools simplify system optimization and monitoring.
Suitable for (tasks / use cases)
 Compact desktop builds and home or office PCs
 Systems using Intel Core Ultra (LGA 1851) processors
 Workloads requiring fast storage and networking (software development, media playback, light content creation)
 PC DIY builders who need RAID support and firmware tuning options
Key specifications
 Form factor: Micro ATX
 Chipset: Intel B860
 Socket: LGA 1851 (Socket V1) for Intel Core Ultra processors
 Memory: 2 × DIMM, DDR5-SDRAM, up to 128 GB
 Storage: M.2 and SATA III interfaces; RAID 0, 1, 5, 10 supported
 Networking: Integrated 2.5 Gigabit Ethernet
How to use
Install the motherboard into a compatible micro ATX chassis, mount an LGA 1851-compatible Intel Core Ultra processor and install DDR5 DIMMs in the two memory slots. Connect M.2 or SATA storage drives as required and configure RAID arrays through the BIOS/UEFI if needed. Attach power, front-panel headers, and peripherals, then install an operating system and Asus-provided utilities for firmware updates and system tuning.
Usage recommendations
For reliable operation, use DDR5 modules listed on Asus compatibility lists and ensure the chassis provides adequate airflow. Keep BIOS/UEFI and network drivers up to date for best performance and AI-related feature compatibility.

## Specifications

### Features

| Feature | Value |
|---|---|
| Motherboard form factor | Micro ATX |
| Motherboard chipset | Intel B860 |
| Component for | PC |
| Audio output channels | 7.1 |
| Windows operating systems supported | Windows 11, Windows 10 x64 |
| Motherboard chipset family | Intel |

### Processor

| Feature | Value |
|---|---|
| Processor manufacturer | Intel |
| Processor socket | LGA 1851 (Socket V1) |

### Memory

| Feature | Value |
|---|---|
| Number of memory slots | 2 |
| Maximum internal memory | 128 GB |
| Supported memory types | DDR5-SDRAM |
| Memory channels | Dual-channel |
| Unbuffered memory | Yes |
| Memory slots type | DIMM |
| ECC сompatibility | non-ECC |

### Expansion slots

| Feature | Value |
|---|---|
| Number of M.2 (M) slots | 2 |
| PCI Express x1 (Gen 4.x) slots | 2 |
| PCI Express x16 (Gen 4.x) slots | 1 |
| 1st M.2 largest key size | 2280 |
| 2nd M.2 largest key size | 2280 |
| 1st M.2 highest PCI Express generation | 5.0 |
| 2nd M.2 highest PCI Express generation | 4.0 |

### Graphics

| Feature | Value |
|---|---|
| Parallel processing technology support | Not supported |

### Network

| Feature | Value |
|---|---|
| Ethernet LAN | Yes |
| Wi-Fi | No |
| Ethernet interface type | 2.5 Gigabit Ethernet |

### Internal I/O

| Feature | Value |
|---|---|
| USB 2.0 connectors | 2 |
| S/PDIF out connector | Yes |
| CPU fan connector | Yes |
| Number of COM connectors | 1 |
| ATX Power connector (24-pin) | Yes |
| Number of chassis fan connectors | 2 |
| Front panel audio connector | Yes |
| TPM connector | Yes |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 2 |
| Number of SATA III connectors | 4 |
| Front panel connector | Yes |
| 12V power connector | Yes |
| RGB LED pin header | Yes |

### Rear panel I/O ports

| Feature | Value |
|---|---|
| PS/2 ports quantity | 1 |
| USB 2.0 ports quantity | 2 |
| Ethernet LAN (RJ-45) ports | 1 |
| HDMI ports quantity | 1 |
| DisplayPorts quantity | 1 |
| 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 |

### Storage controllers

| Feature | Value |
|---|---|
| RAID levels | 10, 5, 1 |
| Supported storage drive types | HDD & SSD |
| RAID support | Yes |
| Number of storage drives supported | 6 |
| Supported storage drive interfaces | SATA III, M.2 |

### BIOS

| Feature | Value |
|---|---|
| BIOS memory size | 256 Mbit |
| BIOS type | UEFI AMI |

### Weight & dimensions

| Feature | Value |
|---|---|
| Width | 244 mm |
| Depth | 222 mm |

### Other features

| Feature | Value |
|---|---|
| Number of HDDs supported | 4 |
| Package weight | 1072 g |

### Packaging content

| Feature | Value |
|---|---|
| Cables included | SATA |

### Packaging data

| Feature | Value |
|---|---|
| Package depth | 263 mm |
| Package height | 51.5 mm |
| Package width | 270 mm |

## FAQ

### How much does the Motherboard ASUS PRIME B860M-K, code cost, and is it available for purchase?

The price is 135.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 11 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on Monday at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Motherboard ASUS PRIME B860M-K, code be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Asus products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Asus service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: motherboard form factor, motherboard chipset, component for, processor socket, number of memory slots, maximum internal memory, supported memory types, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

## Image

https://aio.lv/img/cache/product/11241121/65438280_large.webp