# Motherboard Asrock B550M-ITX/ac AMD B550 Socket AM4 mini ITX

**URL:** https://aio.lv/en/product--asrock-90-mxbdh0-a0uayz--3545168
**Data updated:** 2026-02-17 11:44 (EET)
**Category:** Motherboards
**Manufacturer:** ASROCK
**Manufacturer code:** 90-MXBDH0-A0UAYZ
**EAN:** 4710483931727
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 127.49 €
**Prices and availability valid until:** 2026-07-23 23:59
**Price without VAT (21%):** 105.36 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--asrock-90-mxbdh0-a0uayz--3545168

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.89 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

The Asrock B550M-ITX/ac motherboard supports AMD Ryzen 3000 Series processors with Socket AM4. It features DDR4-SDRAM memory support up to 64 GB, DIMM slots, and storage interfaces including M.2 and SATA III. The integrated Radeon Vega graphics and Gigabit Ethernet with Realtek RTL8111H LAN controller ensure high performance. Wi-Fi standards include 802.11a/b/g/n/ac for versatile connectivity.

## Long description

The ASRock motherboard offers an 8 power phase design with premium 60A power chokes to deliver smooth and stable Vcore power to the CPU, supporting higher overclocking potential and lower operating temperatures for demanding use. Integrated Dual Band 802.11ac Wi‑Fi with Bluetooth v4.2 provides wireless network connectivity, while Hyper M.2 (PCIe Gen4 x4) and M.2 armors support next‑generation NVMe SSDs with improved thermal stability. Rear I/O includes dual USB 3.2 Gen1 ports (Type‑A and Type‑C), Dual Graphics Outputs (HDMI and DisplayPort) with HDMI 4K@60Hz support, and built‑in protections for power spikes. The motherboard also supports Polychrome RGB lighting and includes ASRock Live Update & APP Shop for driver and software updates.
Advantages
The 8 power phase layout combined with premium 60A power chokes improves voltage stability and thermal performance under load. PCIe Gen4 x4 Hyper M.2 support enables significantly faster NVMe SSD transfer rates compared to previous generation M.2 slots. Onboard M.2 armors help maintain lower SSD temperatures for better longevity and reliability. Dual Band 802.11ac Wi‑Fi and Bluetooth v4.2 provide flexible wireless connectivity, while dual rear USB 3.2 Gen1 ports (Type‑A + Type‑C) offer modern peripheral compatibility. Polychrome RGB headers allow synchronization of compatible LED accessories. Full Spike Protection prevents damage from unexpected voltage surges, and Live Update & APP Shop simplifies system maintenance and updates.
Key specifications
Power design: 8 power phases
Power chokes: Premium 60A
Onboard lighting: RGB header and addressable RGB header (Polychrome RGB)
Wi‑Fi: Dual Band 802.11ac (2.4G / 5G) with Bluetooth v4.2
M.2: Hyper M.2 (PCIe Gen4 x4) support
M.2 cooling: M.2 armors for improved thermal stability
USB: Dual USB 3.2 Gen1 rear ports (Type‑A + Type‑C), up to 5 Gbps
Graphics outputs: HDMI + DisplayPort
HDMI: 4K @ 60Hz support
Protection: Full Spike Protection technologies
Software: ASRock Live Update & APP Shop
How to use
Install the motherboard into a compatible PC chassis, connect the CPU, memory, storage devices and power supply according to the motherboard manual. For NVMe performance, install a PCIe Gen4 x4 M.2 SSD into the Hyper M.2 slot and secure it with the provided M.2 armor for improved cooling. Connect Wi‑Fi antennae if included, or attach USB/Bluetooth devices as needed. Use the Polychrome RGB headers to connect compatible RGB strips or fans and configure lighting with ASRock Polychrome software. Keep drivers and firmware current by using ASRock Live Update & APP Shop.
Recommendations
For stable overclocking and optimal thermal performance, use a high‑quality CPU cooler and ensure adequate case airflow. When installing high‑speed M.2 SSDs, use the M.2 armor to help maintain lower operating temperatures. Regularly update BIOS and drivers via ASRock Live Update & APP Shop to ensure compatibility and system stability.

## Specifications

### Features

| Feature | Value |
|---|---|
| Motherboard form factor | Mini ITX |
| Motherboard chipset | AMD B550 |
| Component for | PC |
| Audio output channels | 7.1 |
| Motherboard chipset family | AMD |

### Processor

| Feature | Value |
|---|---|
| Processor manufacturer | AMD |
| Maximum number of SMP processors | 1 |
| Processor socket | Socket AM4 |

### Memory

| Feature | Value |
|---|---|
| Number of memory slots | 2 |
| Maximum internal memory | 64 GB |
| Supported memory types | DDR4-SDRAM |
| Supported memory clock speeds | 4533, 2133, 2400, 2667, 2933, 3200, 3466, 3600, 3733, 3800, 3866, 4000, 4133, 4200, 4266, 4333, 4400, 4466, 4600 |
| Memory channels | Dual-channel |
| Unbuffered memory | Yes |
| Memory slots type | DIMM |
| ECC сompatibility | ECC & non-ECC |

### Graphics

| Feature | Value |
|---|---|
| Graphics card | Radeon Vega |
| DirectX version | 12.0 |
| HDCP | Yes |
| Graphics card family | AMD |
| On-board graphics card | Yes |

### Network

| Feature | Value |
|---|---|
| Bluetooth version | 4.2 |
| Ethernet LAN | Yes |
| Bluetooth | Yes |
| Wake-on-LAN ready | Yes |
| LAN controller | Realtek RTL8111H |
| Wi-Fi | Yes |
| Ethernet interface type | Gigabit Ethernet |

### Internal I/O

| Feature | Value |
|---|---|
| USB 2.0 connectors | 2 |
| CPU fan connector | Yes |
| ATX Power connector (24-pin) | Yes |
| Front panel audio 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 |
| RGB LED pin header | Yes |

### Rear panel I/O ports

| Feature | Value |
|---|---|
| PS/2 ports quantity | 1 |
| USB 2.0 ports quantity | 2 |
| Ethernet LAN (RJ-45) ports | 1 |
| 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 | 1 |

### Storage controllers

| Feature | Value |
|---|---|
| Supported storage drive interfaces | SATA III, M.2 |

### BIOS

| Feature | Value |
|---|---|
| BIOS type | UEFI AMI |

### Weight & dimensions

| Feature | Value |
|---|---|
| Width | 170 mm |
| Depth | 170 mm |

### Other features

| Feature | Value |
|---|---|
| Weight | 0.465 kg |
| Wi-Fi standards | Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), 802.11g, 802.11b, 802.11a |
| Height | 70 mm |
| DisplayPort version | 1.4 |
| Audio chip | Realtek ALC887 |

### Packaging content

| Feature | Value |
|---|---|
| Drivers included | Yes |

### Logistics data

| Feature | Value |
|---|---|
| Harmonized System (HS) code | 84733020 |

## FAQ

### How much does the Motherboard Asrock B550M-ITX/ac, 90-MXBDH0-A0UAYZ cost, and is it available for purchase?

The price is 127.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 105 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 09.07.2026 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 B550M-ITX/ac, 90-MXBDH0-A0UAYZ be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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. More information about warranty service: https://aio.lv/en/warranty

### 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, 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-ITX/ac, 90-MXBDH0-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.

## Image

https://aio.lv/img/cache/product/3545168/65417456_large.webp