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header-product Motherboard GIGABYTE B840M DS3H, AMD B550, Socket AM5, Micro ATX
113.49 €

Motherboard GIGABYTE B840M DS3H, AMD B550, Socket AM5, Micro ATX

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Short description

The GIGABYTE B840M DS3H motherboard supports AMD Ryzen 9000 CPUs with an AM5 socket. It features 8+2+2 phases VRM, supports DDR5 memory up to 8200MHz, and has 2x PCIe 4.0 M.2 slots. With a maximum internal memory of 256GB and various storage interfaces including SATA III, this motherboard is ideal for high-performance builds. It also includes 2.5GbE LAN and USB 3.2 Gen 1 for fast connectivity.
Available at price 113.49 €: 30 pcs.
Total available for order: 502 pcs.
Warranty: 3 Years
SKU: 11330586
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1.89 €

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
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09.07.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 1.30 kg)
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From 1.89 €
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36 months installment: from 3.15 euros per month
Price for companies: 93.79€ Price is valid only for legal clients
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Product information

Description

The GIGABYTE B840M DS3H is a Micro ATX motherboard with an AMD B840 chipset and Socket AM5, designed to support AMD Ryzen 9000 series processors. It offers an 8+2+2 phase VRM, four DDR5 memory slots supporting up to 256 GB and speeds up to 8200 MHz, two PCIe 4.0 M.2 slots, SATA III interfaces and a single PCIe x16 slot. Onboard connectivity includes 2.5GbE LAN and USB 3.2 Gen 1 ports, making this board suitable for performance-oriented PC builds that require modern interfaces and reliable power delivery.

Advantages

The motherboard combines AM5 compatibility with DDR5 support and a robust VRM design to provide stable performance for gaming, content creation and professional workloads. Compact Micro ATX form factor allows building space-efficient systems while retaining high-speed storage via dual PCIe 4.0 M.2 slots and fast network connectivity through onboard 2.5GbE. Multiple USB and SATA III ports ensure flexible peripheral and storage expansion.

Suitable for

  • Gaming systems with AMD Ryzen 9000 processors
  • Content creation and video editing workstations
  • Home and office PCs requiring fast LAN and NVMe storage
  • Compact builds where Micro ATX size is preferred

Key specifications

  • Form factor: Micro ATX
  • Chipset: AMD B840
  • Socket: AM5 (supports AMD Ryzen 9000)
  • Power design: 8+2+2 phases VRM
  • Memory: 4 × DDR5 slots, up to 256 GB, up to 8200 MHz
  • Storage: 2 × PCIe 4.0 M.2 slots, SATA III ports
  • Expansion: 1 × PCIe x16 slot
  • Network: 2.5GbE LAN
  • USB: USB 3.2 Gen 1 ports
  • Weight: 1.047 kg

How to use

Install the AM5-compatible CPU and DDR5 modules into their respective sockets and slots, mount the motherboard into a Micro ATX case using the included standoffs, and connect power from a compatible PSU to the 24-pin ATX and CPU power headers. Attach storage devices to the M.2 slots or SATA III ports, install a graphics card into the PCIe x16 slot if required, and connect front-panel, USB and LAN cables. After assembly, enter the BIOS to configure memory profiles, boot order and other system settings before installing the operating system.

Usage recommendations

For stable high-frequency DDR5 operation and demanding workloads, use a quality power supply and follow proper cooling practices. Keep the BIOS updated for best CPU and memory compatibility with AMD Ryzen 9000 processors.

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:
256 GB
PCI Express x16 (Gen 3.x) slots:
1
Weight:
1.047 kg
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
Cooling type:
Passive
PC health monitoring:
FAN, Temperature, Voltage, Water cooling
Windows operating systems supported:
Windows 10 x64, Windows 11 x64
Motherboard chipset family:
AMD
Power source type:
ATX
Product colour:
Dark brown

Processor

Processor manufacturer:
AMD
Processor socket:
Socket AM5

Memory

Number of memory slots:
4
Maximum internal memory:
256 GB
Supported memory types:
DDR5-SDRAM
Supported memory clock speeds:
7000, 6800, 6666, 6600, 6400, 6200, 6000, 5600, 5200, 4800, 4400
Memory channels:
Dual-channel
Unbuffered memory:
Yes
Memory slots type:
DIMM
Supported memory clock speed (max):
8200 MHz
Maximum internal memory per slot:
64 GB
ECC сompatibility:
non-ECC

Expansion slots

PCI Express x16 (Gen 3.x) slots:
1
Number of M.2 (M) slots:
2
PCI Express x16 (Gen 4.x) slots:
1
1st M.2 largest key size:
2580
2nd M.2 largest key size:
25110
1st M.2 highest PCI Express generation:
4.0
2nd M.2 highest PCI Express generation:
4.0

Graphics

Maximum resolution:
4096 x 2160
Parallel processing technology support:
Not supported
DirectX version:
12.0
HDCP:
Yes

Network

Ethernet LAN:
Yes
LAN controller:
Realtek RTL8125
Wi-Fi:
No
Ethernet interface type:
2.5 Gigabit Ethernet

Internal I/O

USB 2.0 connectors:
2
CPU fan connector:
Yes
ATX Power connector (24-pin):
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:
2
Number of SATA III connectors:
4
USB 3.2 Gen 2 (3.1 Gen 2) connectors:
0
Front panel connector:
Yes
RGB LED pin header:
Yes
Number of RGB LED pin headers:
3
Number of CPU fan connectors:
2
Number of water pump connectors:
2
Number of EPS power connectors (8-pin):
1

Rear panel I/O ports

PS/2 ports quantity:
1
Line-in:
Yes
USB 2.0 ports quantity:
4
Ethernet LAN (RJ-45) ports:
1
Headphone outputs:
1
Microphone in:
Yes
VGA (D-Sub) ports quantity:
0
DVI-D ports quantity:
0
HDMI ports quantity:
1
HDMI version:
2.1
DisplayPorts quantity:
2
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:
0
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity:
0

Storage controllers

RAID levels:
1, 10
Supported storage drive types:
HDD & SSD
RAID support:
Yes
Number of storage drives supported:
6
Supported storage drive interfaces:
M.2, PCI Express 4.0, SATA III

Technical details

Warranty period:
3 year(s)

BIOS

BIOS memory size:
256 Mbit
BIOS type:
UEFI AMI
ACPI version:
5.0
Clear CMOS jumper:
Yes
Desktop Management Interface (DMI) version:
2.7
System Management BIOS (SMBIOS) version:
2.7

Weight & dimensions

Width:
244 mm
Depth:
244 mm

Other features

Number of HDDs supported:
4
Supported processor sockets:
Socket AM5
Weight:
1.047 kg
Package weight:
1129.4 g
Height:
35 mm
DisplayPort version:
1.4
Audio chip:
Realtek ALC897

Packaging content

Bundled software:
Norton® Internet Security (OEM version) LAN bandwidth management software
Batteries included:
Yes
Screws included:
Yes

Packaging data

Package depth:
265 mm
Package height:
54 mm
Package width:
265 mm

Battery

Battery technology:
Lithium-Manganese Dioxide (LiMnO2)
Battery type:
CR2032
Number of battery cells:
1
Battery weight:
3 g
Lithium weight per battery:
0.07 g

Logistics data

Products per shipping (inner) case:
1 pc(s)

Description

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Warehouse Stock Delivery to the store Store Price
EU1 30 06.07.2026 113.49 € Best price
WH115 10 09.07.2026 118.99 €
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Customer questions

FAQ

How much does the Motherboard GIGABYTE B840M DS3H, B840M cost, and is it available for purchase?

The price is 113.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 502 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 06.07.2026 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 GIGABYTE B840M DS3H, B840M 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 GIGABYTE B840M DS3H, B840M 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 GIGABYTE 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 GIGABYTE 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, weight, 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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