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header-product Motherboard Asrock B860M Pro-A Intel B860 LGA 1851 micro ATX
118.99 €

Motherboard Asrock B860M Pro-A Intel B860 LGA 1851 micro ATX

Motherboard Asrock B860M Pro-A, 90-MXBRR-A0UAYZ Photo 1
Motherboard Asrock B860M Pro-A, 90-MXBRR-A0UAYZ Photo 2
Motherboard Asrock B860M Pro-A, 90-MXBRR-A0UAYZ Photo 3
Motherboard Asrock B860M Pro-A, 90-MXBRR-A0UAYZ Photo 4
Motherboard Asrock B860M Pro-A, 90-MXBRR-A0UAYZ Photo 5
Motherboard Asrock B860M Pro-A, 90-MXBRR-A0UAYZ Photo 6
Motherboard Asrock B860M Pro-A, 90-MXBRR-A0UAYZ Photo 1
Motherboard Asrock B860M Pro-A, 90-MXBRR-A0UAYZ Photo 2
Motherboard Asrock B860M Pro-A, 90-MXBRR-A0UAYZ Photo 3
Motherboard Asrock B860M Pro-A, 90-MXBRR-A0UAYZ Photo 4
Motherboard Asrock B860M Pro-A, 90-MXBRR-A0UAYZ Photo 5
Motherboard Asrock B860M Pro-A, 90-MXBRR-A0UAYZ Photo 6
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Motherboard Asrock B860M Pro-A Intel B860 LGA 1851 micro ATX

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Short description

The Asrock B860M Pro-A motherboard is designed for Intel processors with LGA 1851 socket, supporting Intel Core Ultra (Series 2). It features DDR5-SDRAM memory support with a maximum capacity of 256 GB across DIMM slots. Storage options include M.2 and SATA III interfaces for HDD and SSD drives, with RAID levels 0, 1, 5, and 10. The board also includes a 2.5 Gigabit Ethernet interface powered by the Dragon RTL8125BG LAN controller, making it suitable for high-performance PC builds.
Available for order: 1 pcs.
Warranty: 2 Years
SKU: 11417090
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Cheapest delivery:

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Pick-up points

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Cost

1.89 €

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
15.07.2026 {{selectedOffer.officeDeliveryString}}
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Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
20.07.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 1.12 kg)
Parcel couriers
Venipak Pickup LV / Venipak Locker LV / Latvijas Pasts pakomāts / Unisend LV / DPD Paku skapis / Omniva LV / Latvijas Pasts nodaļa
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From 1.89 €
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3 mth. х 39.66 €

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Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment
36 months installment: from 3.31 euros per month
Price for companies: 98.34€ Price is valid only for legal clients
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Product information

Description

The ASRock B860M Pro-A is a micro ATX motherboard for Intel LGA 1851 processors, built to provide stable, durable and efficient daily computing. It supports DDR5 memory up to 256 GB across four DIMM slots, PCIe Gen5 M.2 storage, SATA III drives, RAID 0/1/5/10, and features a 2.5 Gb/s Dragon LAN for improved network throughput. The board includes modern connectivity such as USB 3.2 Gen2x2 Type-C and front-panel USB 3.2 Gen1 Type-C, reinforced PCIe slot construction, aluminum heatsinks and onboard RGB headers.

Advantages

The B860M Pro-A offers a 10+1+1 VRM power design with Dr.MOS components for stable CPU power delivery and efficient thermal behavior, a Hi-Density CPU power connector for overclocking stability, and a 6-layer PCB that improves signal integrity and memory overclocking potential. PCIe Gen5-compliant M.2 support and USB 3.2 Gen2x2 Type-C deliver high data transfer speeds, while the 2.5 Gb/s Dragon LAN increases network bandwidth for demanding tasks. Onboard and addressable RGB headers plus SignalRGB compatibility allow synchronized lighting control.

Suitable for

  • Home and office desktop builds requiring compact micro ATX form factor
  • Content creation and streaming with high network and storage bandwidth needs
  • Gaming systems that benefit from reinforced PCIe slot and improved power delivery
  • Systems using DDR5 memory and modern NVMe PCIe Gen5 SSDs

Key specifications

  • Form factor: Micro ATX
  • Chipset: Intel B860
  • CPU socket: LGA 1851 (Socket V1) — supports Intel Core Ultra (Series 2) and compatible processors
  • Memory: 4× DIMM, DDR5-SDRAM, up to 256 GB
  • Storage interfaces: PCIe Gen5 M.2, M.2 slots, SATA III, RAID 0/1/5/10
  • LAN: Dragon RTL8125BG 2.5 Gb/s Ethernet
  • USB: Rear USB 3.2 Gen2x2 Type-C (20 Gbps), front-panel USB 3.2 Gen1 Type-C (5 Gbps)
  • Expansion: Reinforced PCIe steel slot (PCIe 5.0 compatible)

How to use

Install the motherboard into a compatible micro ATX case and connect the LGA 1851 CPU, DDR5 memory modules, and storage devices following the motherboard manual for proper slot placement and orientation. Connect the Hi-Density CPU power connector and the ATX power connector from a compatible PSU. Use the provided M.2 and SATA connectors for SSDs/HDDs and configure RAID arrays through the BIOS if required. Install the operating system and then use the Auto Driver Installer utility to add network and chipset drivers; BIOS Flashback is available for updating BIOS using a USB drive without CPU or RAM installed.

Usage recommendations

For stable memory overclocking, enable pre-tested DDR5 XMP or AMD EXPO profiles only with compatible modules. Ensure a quality power supply and sufficient case cooling when running high loads or overclocking. Use the reinforced PCIe slot and secure heavy graphics cards with the case support to prevent stress on the board.

Specifications

Motherboard form factor:
Micro ATX
Motherboard chipset:
Intel B860
Component for:
PC
Processor socket:
LGA 1851 (Socket V1)
Number of memory slots:
4
Maximum internal memory:
256 GB
Supported memory types:
DDR5-SDRAM
All features

Features

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:
Intel
Product colour:
Black

Processor

Processor manufacturer:
Intel
Processor socket:
LGA 1851 (Socket V1)

Memory

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
ECC сompatibility:
non-ECC

Expansion slots

Number of M.2 (M) slots:
1
PCI Express x4 (Gen 4.x) slots:
1
PCI Express x16 (Gen 5.x) slots:
1

Graphics

HDCP:
Yes

Network

Ethernet LAN:
Yes
LAN controller:
Dragon RTL8125BG
Wi-Fi:
No
Ethernet interface type:
2.5 Gigabit Ethernet

Internal I/O

USB 2.0 connectors:
2
CPU fan connector:
Yes
Number of COM connectors:
1
ATX Power connector (24-pin):
Yes
Number of chassis fan connectors:
3
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
RGB LED pin header:
Yes
Number of CPU fan connectors:
2
Number of EPS power connectors (8-pin):
1

Rear panel I/O ports

Line-in:
Yes
USB 2.0 ports quantity:
2
Ethernet LAN (RJ-45) ports:
1
Microphone in:
Yes
VGA (D-Sub) ports quantity:
0
DVI-D ports quantity:
0
HDMI ports quantity:
1
DisplayPorts quantity:
1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity:
3
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity:
0
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity:
0
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity:
0
USB 3.2 Gen 2x2 Type-C ports quantity:
1

Storage controllers

RAID levels:
10, 5, 1
Supported storage drive types:
HDD & SSD
RAID support:
Yes
Supported storage drive interfaces:
SATA III, M.2

BIOS

BIOS memory size:
256 Mbit
BIOS type:
UEFI AMI

Weight & dimensions

Width:
244 mm
Depth:
244 mm

Other features

DisplayPort version:
1.4
Audio chip:
Realtek ALC897

Packaging content

Cables included:
SATA

Description

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Customer questions

FAQ

How much does the Motherboard Asrock B860M Pro-A, 90-MXBRR-A0UAYZ cost, and is it available for purchase?

The price is 118.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 1 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 Motherboard Asrock B860M Pro-A, 90-MXBRR-A0UAYZ be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. We work with leading banks and leasing companies in Latvia, allowing you to make your purchase on convenient terms — with a minimal down payment and a repayment period from 3 to 36 months. You can apply for credit or installments for the Motherboard Asrock B860M Pro-A, 90-MXBRR-A0UAYZ online, and the application process is as simple as possible:
  • Select the product on the website and add it to your cart;
  • When placing your order, choose the payment method “Installments”;
  • Fill in the required details for the lending partner;
  • Receive a decision within a few minutes.
For more information about available payment options, interest-free installment terms, and credit conditions in Latvia, please visit the Payment page.

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 ASROCK 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 ASROCK 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. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

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.
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