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header-product Motherboard Asrock B550 Pro4 AMD B550 Socket AM4 ATX
98.99 €

Motherboard Asrock B550 Pro4 AMD B550 Socket AM4 ATX

Motherboard Asrock B550 Pro4, 90-MXBCZ0-A0UAYZ Photo 1
Motherboard Asrock B550 Pro4, 90-MXBCZ0-A0UAYZ Photo 2
Motherboard Asrock B550 Pro4, 90-MXBCZ0-A0UAYZ Photo 3
Motherboard Asrock B550 Pro4, 90-MXBCZ0-A0UAYZ Photo 4
Motherboard Asrock B550 Pro4, 90-MXBCZ0-A0UAYZ Photo 5
Motherboard Asrock B550 Pro4, 90-MXBCZ0-A0UAYZ Photo 1
Motherboard Asrock B550 Pro4, 90-MXBCZ0-A0UAYZ Photo 2
Motherboard Asrock B550 Pro4, 90-MXBCZ0-A0UAYZ Photo 3
Motherboard Asrock B550 Pro4, 90-MXBCZ0-A0UAYZ Photo 4
Motherboard Asrock B550 Pro4, 90-MXBCZ0-A0UAYZ Photo 5
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Motherboard Asrock B550 Pro4 AMD B550 Socket AM4 ATX

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Short description

The Asrock B550 Pro4 motherboard supports AMD Ryzen 3000 series processors with an AM4 socket. It features DDR4-SDRAM memory support up to 128 GB, DIMM slots, and multiple storage interfaces including M.2 and SATA III for HDD and SSD drives. With RAID levels 0, 1, and 10, it offers flexible storage solutions. The board supports CrossFireX technology for enhanced graphics performance and includes a Gigabit Ethernet interface with a Realtek RTL8111H LAN controller for reliable networking.
Available at price 98.99 €: 41 pcs.
Total available for order: 263 pcs.
Warranty: 2 Years
SKU: 3502457
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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: 1.81 kg)
Parcel couriers
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From 1.89 €
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Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment
36 months installment: from 2.75 euros per month
Price for companies: 81.81€ Price is valid only for legal clients
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Product information

Description

ASRock B550 motherboard delivers a complete platform for modern PC builds, offering Nahimic audio, dual M.2 support including Type 22110 NVMe, reinforced PCIe 4.0 steel slot, 2oz copper PCB and an 8-power-phase design with premium 50A power chokes. The board includes dual USB 3.2 Gen2 Type-A and Type-C ports, dual graphics outputs (HDMI + D-SUB), M.2 (Key E) for optional Wi‑Fi, Post Status Checker for quick troubleshooting and comprehensive spike protection. Polychrome RGB provides unified lighting control for onboard LEDs and connected RGB devices.

Advantages

The B550 platform ensures stable power delivery and enhanced overclocking through its 8 power phase design, premium 50A chokes and 2oz copper PCB, while dual M.2 sockets support high-speed NVMe storage (including Type 22110) with M.2 armors for thermal stability. Nahimic Audio and the Sound Tracker add directional audio awareness for gaming. Reinforced PCIe 4.0 steel slot improves mechanical and signal reliability for heavy graphics cards. Built-in USB 3.2 Gen2 (Type-A and Type-C) and dual display outputs increase connectivity options.

Key specifications

  • Chipset: AMD B550 compatible motherboard
  • Power design: 8 power phases with premium 50A power chokes
  • PCB: 2oz copper inner layers
  • M.2: Dual M.2 sockets, one supports PCIe Gen4 x4 (Hyper M.2), supports Type 22110; the other supports PCIe Gen3 x2 / SATA3
  • M.2 protection: M.2 armors for thermal and physical stability
  • PCIe: Reinforced steel PCIe slot (PCIe 4.0 ready)
  • Audio: Nahimic Audio with Sound Tracker
  • Rear I/O: Dual USB 3.2 Gen2 (Type-A + Type-C)
  • Wireless option: M.2 (Key E) slot for Wi‑Fi modules (802.11ac optional)
  • Display outputs: HDMI and D-SUB
  • Protection: Full Spike Protection technologies
  • Utilities: Post Status Checker; Live Update & APP Shop

How to use

Install the motherboard into a compatible ATX/micro-ATX case following the manufacturer’s installation guide, connect the CPU, cooler, DDR4 memory modules and power supply cables, then install NVMe or SATA M.2 drives into the dedicated sockets and secure them with the provided M.2 armor if available. Attach GPU into the reinforced PCIe slot and connect displays via HDMI or D-SUB. For Wi‑Fi connectivity, insert an M.2 (Key E) wireless card and attach antennas. Use the Post Status Checker at boot to identify POST issues and run ASRock Live Update & APP Shop to install drivers and firmware updates.

Recommendations

For optimal thermal performance and longevity, use M.2 armors or heatsinks on high-performance NVMe drives, ensure adequate case airflow when overclocking, and keep firmware and drivers updated via Live Update & APP Shop. When installing heavy graphics cards, secure them properly to benefit from the reinforced steel PCIe slot.

Specifications

Motherboard form factor:
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:
2
PCI Express x16 (Gen 3.x) slots:
1
Weight:
0.465 kg
Supported memory types:
DDR4-SDRAM
All features

Features

Motherboard form factor:
ATX
Motherboard chipset:
AMD B550
Component for:
PC
Audio output channels:
7.1
PC health monitoring:
CPU, FAN, Temperature, Voltage, Water cooling
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
Memory channels:
Dual-channel
Unbuffered memory:
Yes
Memory slots type:
DIMM
Supported memory module capacities:
4GB, 8GB, 16GB, 32GB
Supported memory clock speed (max):
4533 MHz
ECC сompatibility:
ECC & non-ECC

Expansion slots

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

Graphics

Parallel processing technology support:
CrossFireX, Quad-GPU CrossFireX
DirectX version:
12.0
HDCP:
Yes

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
Front panel audio connector:
Yes
TPM connector:
Yes
Peripheral (Molex) power connectors (4-pin):
1
EPS power connector (8-pin):
Yes
USB 3.2 Gen 1 (3.1 Gen 1) connectors:
1
Number of SATA III 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:
0
Ethernet LAN (RJ-45) ports:
1
Microphone in:
Yes
VGA (D-Sub) ports quantity:
1
DVI-D ports quantity:
0
HDMI ports 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:
305 mm
Depth:
244 mm

Other features

Supported processor sockets:
Socket AM4
Weight:
0.465 kg
Height:
87 mm
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 effectively 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 rock-solid 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 against electrical shorts caused by humidity.High Density Glass Fabric PCB

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Stock data
Warehouse Stock Delivery to the store Store Price
WH155 10 15.07.2026 98.99 €
EU3 41 15.07.2026 98.99 €
WH115 10 15.07.2026 99.99 €
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104.49 €
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Customer reviews

Customer questions

FAQ

How much does the Motherboard Asrock B550 Pro4, 90-MXBCZ0-A0UAYZ cost, and is it available for purchase?

The price is 98.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 263 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 B550 Pro4, 90-MXBCZ0-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 B550 Pro4, 90-MXBCZ0-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 B550 Pro4, 90-MXBCZ0-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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