# Motherboard MSI PRO B860M-A WIFI — Intel B860, LGA 1851, micro ATX, DDR5, 4 DIMM, Wi‑Fi, 5Gb LAN, 3×M.2, HDMI 2.1

**URL:** https://aio.lv/en/product--msi-7e42-002r--11239414
**Data updated:** 2026-01-21 11:08 (EET)
**Category:** Motherboards
**Manufacturer:** MSI
**Manufacturer code:** 7E42-002R
**EAN:** 4711377286565
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 195.99 €
**Prices and availability valid until:** 2026-07-16 23:59
**Price without VAT (21%):** 161.98 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--msi-7e42-002r--11239414

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.99 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

MSI PRO B860M-A WIFI is a micro ATX motherboard with Intel B860 chipset and LGA 1851 socket supporting Intel Core Ultra (Series 2) processors. It has four DDR5 DIMM slots (up to 256 GB, dual-channel, up to 8800 MHz), integrated Wi‑Fi and Bluetooth, 5 Gb Ethernet, Realtek ALC897 7.1 audio, three M.2 slots (one PCIe 5.0, two PCIe 4.0), four SATA III ports and RAID support. Rear I/O includes HDMI 2.1, multiple USB 3.2/2.0 ports and USB-C. Fits compact builds that need high-speed storage and modern connectivity.

## Long description

The MSI PRO B860M-A WIFI is a micro ATX motherboard for Intel processors with the LGA 1851 (Socket V1). It supports DDR5 memory up to 256 GB across four DIMM slots and offers multiple storage options including M.2 and SATA III interfaces. Designed for modern PC builds, the board includes Wi-Fi 7, 5G LAN, Thunderbolt 4 support, PCIe 5.0 M.2 compatibility and Supplemental PCIe Power, and it is ready for Intel® Core™ Ultra processors.
Advantages
The motherboard combines a compact micro ATX form factor with advanced connectivity: native Wi-Fi 7 with EZ Antenna, high-speed 5 Gigabit Ethernet, and Thunderbolt 4. It supports PCIe 5.0 M.2 drives for faster storage performance and provides robust memory capacity with DDR5 support up to 256 GB. Built-in RAID options (0, 1, 5, 10) enable flexibility for performance and data redundancy.
Suitable for
Compact desktop builds that require high-speed connectivity
Workstations and home office PCs using Intel LGA 1851 processors
Systems needing fast NVMe storage and RAID configurations
Users who want integrated Wi-Fi 7 and multi-gig Ethernet
Key specifications
Form factor: Micro ATX
Chipset: Intel B860
Processor socket: LGA 1851 (Socket V1)
Memory: 4 DIMM slots, DDR5 up to 256 GB
Storage interfaces: M.2 and SATA III
Networking: Wi‑Fi 7, 5 Gigabit Ethernet
Expansion / features: PCIe 5.0 M.2, Thunderbolt 4, Supplemental PCIe Power
How to use
Install the motherboard into a compatible micro ATX case and mount an Intel processor compatible with the LGA 1851 socket. Populate DDR5 memory modules in matched pairs according to the motherboard manual to reach optimal performance up to 256 GB. Connect storage devices to the M.2 slots or SATA III ports and configure RAID levels via the BIOS if required. Attach the EZ Antenna for Wi‑Fi 7 and connect network cables to the 5G LAN port for wired networking. Follow standard ESD precautions and consult the MSI manual for jumper and power connector placements.
Usage recommendations
For stable high-speed operation, use certified DDR5 modules and quality NVMe SSDs; update the BIOS to the latest MSI release before first boot to ensure full compatibility with Intel® Core™ Ultra processors and the latest connectivity features.

## 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 x64 |
| Motherboard chipset family | AMD |

| Feature | Value |
|---|---|
| Product colour | Black |

### Processor

| Feature | Value |
|---|---|
| Processor manufacturer | Intel |
| Processor socket | LGA 1851 (Socket V1) |
| Maximum internal memory supported by processor | 256 GB |

### Memory

| Feature | Value |
|---|---|
| Number of memory slots | 4 |
| Maximum internal memory | 256 GB |
| Supported memory types | DDR5-SDRAM |
| Supported memory clock speeds | 6400, 4800 |
| Memory channels | Dual-channel |
| Memory slots type | DIMM |
| Supported memory clock speed (max) | 8800 MHz |
| ECC сompatibility | non-ECC |

### Expansion slots

| Feature | Value |
|---|---|
| Number of M.2 (M) slots | 3 |
| PCI Express x16 (Gen 4.x) slots | 3 |
| PCI Express x16 (Gen 5.x) slots | 1 |
| 1st M.2 largest key size | 2280 |
| 2nd M.2 largest key size | 2280 |
| 3rd M.2 largest key size | 2280 |
| 1st M.2 highest PCI Express generation | 5.0 |
| 2nd M.2 highest PCI Express generation | 4.0 |
| 3rd M.2 highest PCI Express generation | 4.0 |

### Graphics

| Feature | Value |
|---|---|
| On-board graphics card | No |

### Network

| Feature | Value |
|---|---|
| Bluetooth version | 5.4 |
| Ethernet LAN | Yes |
| Bluetooth | Yes |
| Wi-Fi | Yes |
| Ethernet interface type | 5 Gigabit Ethernet |
| Top Wi-Fi standard | Wi-Fi 7 (802.11be) |

### Internal I/O

| Feature | Value |
|---|---|
| USB 2.0 connectors | 4 |
| CPU fan connector | Yes |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 4 |
| Number of SATA III connectors | 4 |
| USB 3.2 Gen 2 (3.1 Gen 2) connectors | 1 |
| Total number of SATA connectors | 4 |
| RGB LED pin header | Yes |
| Number of RGB LED pin headers | 3 |
| Number of CPU fan connectors | 1 |
| Number of water pump connectors | 1 |

### Rear panel I/O ports

| Feature | Value |
|---|---|
| USB 2.0 ports quantity | 2 |
| Ethernet LAN (RJ-45) ports | 1 |
| HDMI ports quantity | 1 |
| HDMI version | 2.1 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity | 1 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 1 |

### Storage controllers

| Feature | Value |
|---|---|
| RAID levels | 5, 1, 10 |
| Supported storage drive types | HDD & SSD |
| RAID support | Yes |
| Number of storage drives supported | 7 |
| Supported storage drive interfaces | Micro SATA III, M.2 |

### BIOS

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

### Weight & dimensions

| Feature | Value |
|---|---|
| Width | 243.84 mm |
| Depth | 243.84 mm |

### Other features

| Feature | Value |
|---|---|
| Number of HDDs supported | 4 |
| Wi-Fi standards | Wi-Fi 4 (802.11n), 802.11g, 802.11b, 802.11a, Wi-Fi 7 (802.11be), Wi-Fi 6E (802.11ax), Wi-Fi 6 (802.11ax), Wi-Fi 5 (802.11ac) |
| Audio chip | Realtek ALC897 |

## FAQ

### How much does the MSI PRO B860M-A WIFI micro ATX motherboard cost, and is it available for purchase?

The price is 195.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 8 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 02.07.2026 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 MSI PRO B860M-A WIFI 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 MSI 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 MSI 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 MSI PRO B860M-A WIFI 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/11239414/65437419_large.webp