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header-product Motherboard Asrock B550M Pro4 AMD B550 Socket AM4 micro ATX
97.49 €

Motherboard Asrock B550M Pro4 AMD B550 Socket AM4 micro ATX

Motherboard Asrock B550M Pro4, 90-MXBDK0-A0UAYZ Photo 1
Motherboard Asrock B550M Pro4, 90-MXBDK0-A0UAYZ Photo 2
Motherboard Asrock B550M Pro4, 90-MXBDK0-A0UAYZ Photo 3
Motherboard Asrock B550M Pro4, 90-MXBDK0-A0UAYZ Photo 4
Motherboard Asrock B550M Pro4, 90-MXBDK0-A0UAYZ Photo 5
Motherboard Asrock B550M Pro4, 90-MXBDK0-A0UAYZ Photo 1
Motherboard Asrock B550M Pro4, 90-MXBDK0-A0UAYZ Photo 2
Motherboard Asrock B550M Pro4, 90-MXBDK0-A0UAYZ Photo 3
Motherboard Asrock B550M Pro4, 90-MXBDK0-A0UAYZ Photo 4
Motherboard Asrock B550M Pro4, 90-MXBDK0-A0UAYZ Photo 5
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Motherboard Asrock B550M Pro4 AMD B550 Socket AM4 micro ATX

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Short description

The Asrock B550M Pro4 motherboard supports AMD Ryzen 3000 Series processors with Socket AM4. It features DDR4-SDRAM memory support up to 128 GB, multiple DIMM slots, and interfaces for M.2 and SATA III storage drives, accommodating both HDD and SSD. With RAID levels 0, 1, and 10, it offers versatile storage options. The board supports CrossFireX technology for enhanced graphics performance and has a maximum resolution of 5120 x 2880 pixels. Equipped with Gigabit Ethernet via Realtek RTL8111H, it ensures fast network connectivity.
Available at price 97.49 €: 86 pcs.
Total available for order: 346 pcs.
Warranty: 2 Years
SKU: 3511968
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From 4.99 € (Weight: 1.35 kg)
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36 months installment: from 2.71 euros per month
Price for companies: 80.57€ Price is valid only for legal clients
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Product information

Description

IT’S TIME FOR B550 MOTHERBOARDS. Everything you need for computing is integrated into this B550 motherboard designed for modern AMD processors. It incorporates advanced audio processing with Nahimic Audio, multiple M.2 slots including support for Type 22110 NVMe SSDs, dual USB 3.2 Gen2 ports (Type-A and Type-C), reinforced PCIe steel slot compatible with PCIe 4.0, and robust power delivery with an 8-phase design and premium 50A power chokes. The board also includes 2oz copper inner layers for improved thermal and power efficiency, onboard and addressable RGB headers with PolyChrome RGB support, an M.2 (Key E) slot for Wi‑Fi modules, and a Post Status Checker for straightforward troubleshooting.

Advantages

The motherboard provides precise 360° audio positioning through Nahimic Audio and a Sound Tracker, enabling directional awareness in games. Its 8 power phase design and premium 50A chokes ensure stable Vcore delivery and improved overclocking headroom while 2oz copper PCB layers lower temperatures and enhance energy efficiency. Dual M.2 support (including Type 22110 and Gen4-capable Hyper M.2) and dedicated M.2 armors protect SSDs and help maintain performance. Reinforced PCIe steel slot improves mechanical strength for heavy graphics cards, and dual USB 3.2 Gen2 ports deliver up to 10 Gbps for fast external devices. The onboard M.2 (Key E) option adds flexible Wi‑Fi connectivity and the Post Status Checker simplifies fault identification at boot.

Key specifications

  • Chipset: AMD B550
  • Audio: Nahimic Audio with Sound Tracker (360° audio indicator)
  • Power design: 8 power phase design with premium 50A power chokes
  • PCB: 2oz copper inner layers
  • M.2: Dual M.2 slots, supports Type 22110; Hyper M.2 supports PCIe Gen4 x4; second M.2 supports PCIe Gen3 x2/SATA3
  • M.2 protection: M.2 armors for thermal stability
  • PCIe: Reinforced steel PCIe slot (PCIe 4.0 compatible)
  • USB: Dual USB 3.2 Gen2 rear ports (Type-A + Type-C), up to 10 Gbps
  • Wireless: M.2 (Key E) slot for Wi‑Fi modules (802.11ac compatible)
  • Diagnostics: Post Status Checker for CPU/DRAM/VGA/BOOT status at startup
  • RGB: Onboard RGB header and addressable RGB header with Polychrome RGB support

How to use

Install the motherboard into a compatible ATX/M-ATX case following the manufacturer’s mounting points and connect the CPU, memory modules, and primary storage. Attach NVMe SSDs into the M.2 sockets (ensure correct length support up to Type 22110) and secure them with the provided M.2 armor if available. Connect GPU to the reinforced PCIe slot and attach power cables from the PSU to the 8‑phase power connectors. For audio setup, connect headphones or speakers and configure Nahimic Audio software to enable the Sound Tracker and surround enhancements. Use the onboard USB 3.2 Gen2 Type‑A and Type‑C ports for compatible high-speed devices. If wireless connectivity is required, install an M.2 (Key E) Wi‑Fi module. Use the Post Status Checker at boot to identify any initialization issues and consult the manual for LED codes and troubleshooting steps.

Recommendations

For best results, pair this B550 motherboard with a compatible AMD Ryzen CPU, high-quality DDR4 memory modules, and an NVMe SSD that fits the supported M.2 Type 22110 length. Ensure proper case airflow to benefit from the 2oz copper PCB thermal advantages, and update BIOS and Nahimic drivers to the latest versions for stability and feature support.

Specifications

Motherboard form factor:
Micro ATX
Motherboard chipset:
AMD B550
Component for:
PC
Processor socket:
Socket AM4
Number of memory slots:
4
Maximum internal memory:
128 GB
PCI Express x1 (Gen 3.x) slots:
1
PCI Express x16 (Gen 3.x) slots:
1
Weight:
0.465 kg
Supported memory types:
DDR4-SDRAM
All features

Features

Motherboard form factor:
Micro ATX
Motherboard chipset:
AMD B550
Component for:
PC
Certification:
FCC, CE ErP/EuP ready (ErP/EuP ready power supply is required)
Audio output channels:
7.1
PC health monitoring:
CPU, FAN, Temperature, Voltage
Windows operating systems supported:
Windows 10 x64, Windows 11 x64
Motherboard chipset family:
AMD

Processor

Processor manufacturer:
AMD
Maximum number of SMP processors:
1
Processor socket:
Socket AM4

Memory

Number of memory slots:
4
Maximum internal memory:
128 GB
Supported memory types:
DDR4-SDRAM
Supported memory clock speeds:
2133, 2400, 2667, 2933, 3200, 3466, 3600, 3733, 3800, 3866, 4000, 4133, 4200, 4266, 4333, 4400, 4466, 4533, 4600, 4666, 4733
Memory channels:
Dual-channel
Unbuffered memory:
Yes
Memory slots type:
DIMM
Supported memory module capacities:
4GB, 8GB, 16GB, 32GB
Supported memory clock speed (max):
4733 MHz
ECC сompatibility:
ECC & non-ECC

Expansion slots

PCI Express x1 (Gen 3.x) slots:
1
PCI Express x16 (Gen 3.x) slots:
1
Number of M.2 (M) slots:
3
PCI Express x16 (Gen 4.x) slots:
1

Graphics

Maximum resolution:
5120 x 2880
Parallel processing technology support:
CrossFireX, Quad-GPU CrossFireX
DirectX version:
12.0
HDCP:
Yes
Number of displays supported:
3

Network

Ethernet LAN:
Yes
Wake-on-LAN ready:
Yes
LAN controller:
Realtek RTL8111H
Wi-Fi:
No
Ethernet interface type:
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:
4
Number of Parallel ATA connectors:
0
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:
0
Number of SATA II connectors:
6
USB 3.2 Gen 2 (3.1 Gen 2) connectors:
0
Front panel connector:
Yes
12V power connector:
Yes
RGB LED pin header:
Yes

Rear panel I/O ports

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

Storage controllers

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

BIOS

BIOS memory size:
256 Mbit
BIOS type:
UEFI AMI
ACPI version:
5.1
System Management BIOS (SMBIOS) version:
2.3

Weight & dimensions

Width:
244 mm
Depth:
244 mm

Other features

Supported processor sockets:
Socket AM4
Weight:
0.465 kg
Height:
70 mm
DisplayPort version:
1.4
Audio chip:
Realtek ALC1200

Packaging content

Cables included:
SATA
Drivers included:
Yes

Logistics data

Harmonized System (HS) code:
84733020

Description

Machine translation. Load original

Reasons to buy

XXL Aluminum Alloy Heatsink

Extra-large aluminum alloy heatsinks that efficiently dissipate heat from the MOSFET and chipset, helping your entire system run more stably.XXL Aluminum Alloy Heatsink

Sapphire Black PCB

Pure black PCB finish. The new Sapphire Black PCB conveys robust quality and gives the motherboard a more refined, mysterious look.Sapphire Black PCB

High Density Glass Fabric PCB

High-density glass fabric PCB design reduces the gaps between PCB layers to protect the motherboard from electrical shorts caused by humidity.High Density Glass Fabric PCB

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Stock data
Warehouse Stock Delivery to the store Store Price
EU2 86 Tuesday Best delivery 97.49 € Best price
EU1 27 06.07.2026 97.99 €
EU57 12 08.07.2026 98.49 €
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WH109 12 23.07.2026 112.49 €
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Customer questions

FAQ

How much does the Motherboard Asrock B550M Pro4, 90-MXBDK0-A0UAYZ cost, and is it available for purchase?

The price is 97.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 346 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 Tuesday 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 B550M Pro4, 90-MXBDK0-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 B550M Pro4, 90-MXBDK0-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, pci express x1 (gen 3.x) slots, 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.

Where can I download the instructions for Motherboard Asrock B550M Pro4, 90-MXBDK0-A0UAYZ?

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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