# Motherboard Asus PRIME B860M-K — Intel B860, LGA 1851, micro ATX, DDR5, 2x M.2, 2 DIMM, 2.5Gb LAN

**URL:** https://aio.lv/en/product--asus-90mb1jt0-m0eay0--11243176
**Data updated:** 2026-01-21 11:08 (EET)
**Category:** Motherboards
**Manufacturer:** Asus
**Manufacturer code:** 90MB1JT0-M0EAY0
**EAN:** 4711387808498
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 128.49 €
**Prices and availability valid until:** 2026-07-30 23:59
**Price without VAT (21%):** 106.19 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--asus-90mb1jt0-m0eay0--11243176

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 15.07.2026 | free |
| Pickup points | 20.07.2026 | 1.89 EUR |
| Courier delivery to door | 20.07.2026 | 4.99 EUR |

## Summary description

Asus PRIME B860M-K is a micro ATX motherboard with Intel B860 chipset and LGA 1851 socket for Intel Core Ultra (Series 2) processors. It supports DDR5 memory up to 128 GB across 2 DIMM slots (dual-channel), two M.2 slots (2280, PCIe Gen5/Gen4), four SATA III ports, RAID, 2.5 Gb Ethernet, HDMI and DisplayPort outputs, multiple USB ports and 7.1 audio. Ideal for compact desktops, office and multimedia builds.

## Long description

ASUS PRIME B860M-K is a micro ATX motherboard based on the Intel B860 chipset with an LGA 1851 (Socket V1) for Intel® Core™ Ultra processors (Series 2). The board supports up to 128 GB of DDR5-SDRAM across two DIMM slots, offers M.2 and SATA III storage interfaces with RAID 0/1/5/10 support, and includes a 2.5 Gigabit Ethernet port for high-speed networking. Designed with a robust power delivery and comprehensive cooling provisions, the PRIME B860M-K is suitable for compact PC builds requiring modern connectivity and performance.
Advantages
The ASUS PRIME B860M-K provides compatibility with the latest Intel Core Ultra processors (Series 2) and supports fast DDR5 memory up to a combined 128 GB. Its micro ATX form factor enables space-efficient systems, while integrated M.2 and SATA III interfaces allow flexible storage configurations including RAID arrays. The built-in 2.5 Gb Ethernet delivers improved network throughput compared with standard Gigabit controllers. The board’s power design and cooling features help maintain stable operation under load, and firmware/software tuning options simplify system optimization.
Suitable for
Compact desktop PC builds and home office systems
General productivity and multitasking with Intel Core Ultra processors (Series 2)
Storage configurations using M.2 SSDs and SATA drives, including RAID setups
Networked applications requiring higher-than-Gigabit LAN throughput
Key specifications
Form factor: Micro ATX
Chipset: Intel B860
CPU socket: LGA 1851 (Socket V1) for Intel Core Ultra (Series 2)
Memory: 2 x DIMM, DDR5-SDRAM, up to 128 GB
Storage: M.2 and SATA III interfaces; RAID 0/1/5/10 supported
LAN: 2.5 Gigabit Ethernet
MPN/EAN: 90MB1JT0-M0EAY0 / 4711387808498
How to use
Install the PRIME B860M-K into a compatible micro ATX case, fit an LGA 1851-compatible Intel Core Ultra processor, and mount DDR5 DIMMs into the two memory slots. Connect M.2 and/or SATA storage devices as required and configure RAID in the BIOS if using multiple drives. Attach the power supply cables and connect peripherals and network cabling. Use the ASUS firmware (UEFI) and included software utilities for system tuning, BIOS updates and thermal/power management.
Usage recommendations
For stable performance, use matched DDR5 memory modules and ensure adequate case airflow. Update the BIOS to the latest ASUS release before installing the operating system to guarantee full compatibility with Intel Core Ultra processors (Series 2).

## 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 Asus PRIME B860M-K motherboard cost, and is it available for purchase?

The price is 128.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 139 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 15.07.2026 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: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Asus PRIME B860M-K motherboard 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/11243176/65439327_large.webp