# Motherboard Asus PRO B860M-C-CSM — Intel B860, LGA 1851 (Socket V1), Micro ATX, 4× DIMM DDR5, 256 GB max

**URL:** https://aio.lv/en/product--asus-90mb1mcp-m0eayc--11510892
**Data updated:** 2026-02-23 13:21 (EET)
**Category:** Motherboards
**Manufacturer:** Asus
**Manufacturer code:** 90MB1MCP-M0EAYC
**EAN:** 4711636114684
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 168.99 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 139.66 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--asus-90mb1mcp-m0eayc--11510892

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 07.07.2026 | free |
| Pickup points | 10.07.2026 | 1.99 EUR |
| Courier delivery to door | 10.07.2026 | 4.99 EUR |

## Summary description

Asus PRO B860M-C-CSM is a micro ATX motherboard with Intel B860 chipset and LGA 1851 (Socket V1) for Intel Core Ultra (Series 2) processors. It supports DDR5 memory in 4 DIMM slots up to 256 GB, M.2 and SATA III storage with RAID 0/1/5/10, Gigabit Ethernet and up to 3840×2160 video output. Designed for compact professional and business PC builds.

## Long description

Asus PRO B860M-C-CSM is a Micro ATX motherboard built on the Intel B860 chipset and featuring the LGA 1851 (Socket V1) for Intel Core Ultra (Series 2) processors. The board supports DDR5 memory across four DIMM slots for up to 256 GB, offers M.2 and SATA III storage with RAID 0/1/5/10 support, Gigabit Ethernet networking and integrated video output capable of up to 3840×2160. Designed for compact professional and business systems, this motherboard integrates management and security functions intended to simplify deployment and maintenance in corporate environments.
Advantages
The Asus PRO B860M-C-CSM provides stable long-term availability and business-focused firmware and software features through the ASUS Corporate Stable Model (CSM) program and ASUS Control Center Express for system monitoring and remote management. It includes enhanced system protection with a self-recovering UEFI BIOS and compliance with commercial security recommendations, plus robust component selection and testing to support 24/7 operation. Connectivity options include PCIe 5.0 lanes, high-speed USB Type-C ports, multiple M.2 slots and SATA III channels to cover diverse storage and peripheral needs in a small form factor.
Suitable for
 Compact business desktops and office workstations
 IT-managed systems requiring remote monitoring and lifecycle support
 Small servers and network appliances with Gigabit Ethernet
 Professional systems needing DDR5 performance and PCIe 5.0 expandability
Key specifications
 Form factor: Micro ATX
 Chipset: Intel B860
 Processor socket: LGA 1851 (Socket V1) for Intel Core Ultra (Series 2)
 Memory: 4 × DIMM DDR5-SDRAM, up to 256 GB total
 Storage interfaces: M.2 slots and SATA III ports with RAID 0/1/5/10 support
 Expansion: PCIe 5.0 support for next-generation add-in cards
 Networking: Gigabit Ethernet
 Audio: Onboard multi-channel audio (7.1 channels)
 BIOS: UEFI AMI
 Rear and front USB: High-speed USB including 10 Gbps Type-C support
How to use
Install the Asus PRO B860M-C-CSM into a compatible Micro ATX chassis and fit a supported Intel Core Ultra (Series 2) processor into the LGA 1851 socket following standard CPU mounting procedures. Populate DDR5 memory modules into the four DIMM slots in matched pairs to enable optimal memory performance and set BIOS memory profiles if required. Connect storage devices to M.2 slots or SATA III ports and configure RAID arrays via the UEFI BIOS when RAID is needed. Attach power connectors from a compatible PSU and connect necessary front-panel, USB, and network cables before first boot. Use ASUS Control Center Express and the commercial BIOS features for enterprise deployment, monitoring and firmware updates.
Usage recommendations
For reliable business operation, use validated memory kits and power supplies, keep BIOS and management software up to date via ASUS distribution channels, and configure enterprise monitoring through ASUS Control Center Express. For storage arrays, follow best practices for RAID configuration and backups to ensure data integrity in professional environments.

## Specifications

### Features

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

| Feature | Value |
|---|---|
| Product colour | Green |

### Processor

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

### Memory

| Feature | Value |
|---|---|
| Number of memory slots | 4 |
| Maximum internal memory | 256 GB |
| Supported memory types | DDR5-SDRAM |
| Memory channels | Dual-channel |
| Unbuffered memory | Yes |
| Memory slots type | DIMM |
| Supported memory clock speed (max) | 8666 MHz |
| Maximum internal memory per slot | 64 GB |
| ECC сompatibility | non-ECC |

### Expansion slots

| Feature | Value |
|---|---|
| Number of M.2 (M) slots | 2 |
| PCI Express x1 (Gen 4.x) slots | 1 |
| PCI Express x16 (Gen 4.x) slots | 1 |
| PCI Express x16 (Gen 5.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 |
|---|---|
| Maximum resolution | 3840 x 2160 |
| Parallel processing technology support | Not supported |

### Network

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

### Internal I/O

| Feature | Value |
|---|---|
| USB 2.0 connectors | 2 |
| CPU fan connector | Yes |
| Number of COM connectors | 2 |
| ATX Power connector (24-pin) | Yes |
| Chassis intrusion connector | Yes |
| Number of chassis fan connectors | 2 |
| Front panel audio connector | Yes |
| TPM connector | Yes |
| EPS power connector (8-pin) | Yes |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 1 |
| Number of SATA III connectors | 4 |
| USB 3.2 Gen 2 (3.1 Gen 2) connectors | 1 |
| Front panel connector | Yes |
| 12V power connector | Yes |
| Number of CPU fan connectors | 1 |
| Number of EPS power connectors (8-pin) | 1 |

### Rear panel I/O ports

| Feature | Value |
|---|---|
| PS/2 ports quantity | 2 |
| Line-in | Yes |
| USB 2.0 ports quantity | 2 |
| Ethernet LAN (RJ-45) ports | 1 |
| Headphone outputs | 1 |
| Microphone in | Yes |
| HDMI ports quantity | 1 |
| HDMI version | 2.1 |
| DisplayPorts quantity | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 1 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity | 1 |

### Storage controllers

| Feature | Value |
|---|---|
| RAID levels | 10, 1, 5 |
| 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 | 244 mm |

### Other features

| Feature | Value |
|---|---|
| Number of HDDs supported | 4 |
| DisplayPort version | 1.4 |

### Packaging content

| Feature | Value |
|---|---|
| Cables included | SATA |
| Screws included | Yes |

## FAQ

### How much does the Asus PRO B860M-C-CSM Micro ATX motherboard cost, and is it available for purchase?

The price is 168.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 39 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 07.07.2026 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 PRO B860M-C-CSM Micro ATX 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.

### Where can I download the instructions for Asus PRO B860M-C-CSM Micro ATX motherboard?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/11510892/67070251_large.webp