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header-product Motherboard ASUS PRIME B840M-A WIFI AMD B840 Socket AM5 micro ATX
146.99 €

Motherboard ASUS PRIME B840M-A WIFI AMD B840 Socket AM5 micro ATX

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Motherboard ASUS PRIME B840M-A WIFI AMD B840 Socket AM5 micro ATX

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Motherboard ASUS PRIME B840M-A WIFI AMD B840 Socket AM5 micro ATX

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Usual Price: 157.99 €
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The discount is valid from 12.06.2026 to 12.07.2026

Short description

The ASUS PRIME B840M-A WIFI motherboard features an AMD B840 chipset and Socket AM5, supporting AMD Ryzen 7000, 8000, and 9000 series processors. It supports DDR5 memory up to 192 GB and offers multiple storage options with M.2 and SATA III interfaces. With 2.5 Gigabit Ethernet and Wi-Fi 6E, it ensures high-speed connectivity. The micro ATX form factor makes it suitable for compact builds.
Available at price 146.99 €: 44 pcs.
Total available for order: 214 pcs.
Warranty: 2 Years
SKU: 11227452
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Cheapest delivery:

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Cost

1.89 €

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
07.07.2026 {{selectedOffer.officeDeliveryString}}
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10.07.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 1.43 kg)
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36 months installment: from 4.08 euros per month
Price for companies: 121.48€ Price is valid only for legal clients
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Product information

Description

The ASUS PRIME B840M-A WIFI motherboard is designed to support AMD Ryzen™ 9000 series processors and to serve as a foundation for custom desktop systems. It offers a micro-ATX form factor with integrated Wi‑Fi connectivity and a feature set aimed at stable platform performance, system tuning and connectivity for everyday computing and AI workloads.

Advantages

The PRIME B840M-A WIFI provides a balance of performance and connectivity with built-in Wi‑Fi, multiple expansion options and firmware/software utilities for system optimization. It is prepared for Advanced AI PC use, enabling users to run AI applications that require reliable processing and network access. The board is suitable for PC builders seeking a compact, capable motherboard for Ryzen 9000 CPUs.

Key specifications

  • Form factor: micro-ATX
  • Compatible CPUs: AMD Ryzen™ 9000 series
  • Integrated wireless: Wi‑Fi (onboard)
  • Series: ASUS PRIME B840M-A WIFI
  • Target use: desktop PC building, AI-ready platform

How to use

Install the motherboard into a compatible micro-ATX case, fit a supported AMD Ryzen™ 9000 series processor, install memory modules and connect storage and power according to the manual. Use the included UEFI firmware and ASUS utilities to update drivers, adjust system settings and enable network connectivity. For AI workloads, ensure appropriate cooling, install required software frameworks and connect to a reliable network via the onboard Wi‑Fi or wired LAN.

Recommendations

Follow ASUS installation guidelines and update the UEFI firmware before first use. Pair the PRIME B840M-A WIFI with certified memory and a compatible power supply. For AI applications, verify software compatibility with Ryzen 9000 CPUs and ensure sufficient cooling and power delivery.

Specifications

Motherboard form factor:
Micro ATX
Motherboard chipset:
AMD B840
Component for:
PC
Processor socket:
Socket AM5
Number of memory slots:
4
Maximum internal memory:
192 GB
PCI Express x16 (Gen 3.x) slots:
2
Supported memory types:
DDR5-SDRAM
All features

Features

Motherboard form factor:
Micro ATX
Motherboard chipset:
AMD B840
Component for:
PC
Audio output channels:
7.1
Windows operating systems supported:
Windows 11, Windows 10 x64
Motherboard chipset family:
AMD

Processor

Processor manufacturer:
AMD
Processor socket:
Socket AM5

Memory

Number of memory slots:
4
Maximum internal memory:
192 GB
Supported memory types:
DDR5-SDRAM
Memory channels:
Dual-channel
Unbuffered memory:
Yes
Memory slots type:
DIMM
ECC сompatibility:
ECC & non-ECC

Expansion slots

PCI Express x16 (Gen 3.x) slots:
2
Number of M.2 (M) slots:
3
PCI Express x16 (Gen 4.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:
4.0
2nd M.2 highest PCI Express generation:
4.0
3rd M.2 highest PCI Express generation:
3.0

Graphics

Parallel processing technology support:
Not supported

Network

Bluetooth version:
5.3
Ethernet LAN:
Yes
Bluetooth:
Yes
Wi-Fi:
Yes
Ethernet interface type:
2.5 Gigabit Ethernet
Top Wi-Fi standard:
Wi-Fi 6E (802.11ax)

Internal I/O

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:
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
USB 3.2 Gen 2 (3.1 Gen 2) connectors:
0
Front panel connector:
Yes
12V power connector:
Yes

Rear panel I/O ports

USB 2.0 ports quantity:
4
Ethernet LAN (RJ-45) ports:
1
VGA (D-Sub) ports quantity:
0
DVI-D ports quantity:
0
WiFi-AP antenna jack:
1
HDMI ports quantity:
1
DisplayPorts quantity:
2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity:
0
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:
2
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity:
0

Storage controllers

RAID levels:
10, 5, 1
Supported storage drive types:
HDD & SSD
RAID support:
Yes
Number of storage drives supported:
7
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

Number of HDDs supported:
4
Supported processor sockets:
Socket AM5
Wi-Fi standards:
Wi-Fi 6E (802.11ax)
Package weight:
1520 g

Packaging content

Cables included:
SATA
Screws included:
Yes
Antenna included:
Yes

Packaging data

Package depth:
275 mm
Package height:
67.5 mm
Package width:
275 mm

Description

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Stock data
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WH321 44 07.07.2026 146.99 €
WH94 44 09.07.2026
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154.49 €
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177.99 €
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199.99 €
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211.49 €
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151.99 €
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Customer reviews

Customer questions

FAQ

How much does the Motherboard ASUS PRIME B840M-A WIFI, 90MB1J20-M0EAY0 cost, and is it available for purchase?

The price is 146.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 214 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 Motherboard ASUS PRIME B840M-A WIFI, 90MB1J20-M0EAY0 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 ASUS PRIME B840M-A WIFI, 90MB1J20-M0EAY0 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 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. 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, pci express x16 (gen 3.x) slots, 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 Motherboard ASUS PRIME B840M-A WIFI, 90MB1J20-M0EAY0?

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.
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