# Motherboard ASUS PRIME B550-PLUS AMD B550 Socket AM4 ATX

**URL:** https://aio.lv/en/product--asus-90mb14u0-m0eay0--3512167
**Data updated:** 2025-12-29 10:58 (EET)
**Category:** Motherboards
**Manufacturer:** Asus
**Manufacturer code:** 90MB14U0-M0EAY0
**EAN:** 4718017782340
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 106.49 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 88.01 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--asus-90mb14u0-m0eay0--3512167

## 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 ASUS PRIME B550-PLUS motherboard supports AMD Ryzen 3000 Series processors with Socket AM4. It features DDR4-SDRAM memory support up to 128 GB, DIMM slots, and storage interfaces including M.2 and SATA. The board supports RAID levels 0, 1, and 10, and offers 2-Way CrossFireX technology for enhanced graphics performance. With Gigabit Ethernet and a Realtek RTL8111H LAN controller, it ensures fast and reliable network connectivity.

## Long description

The ASUS PRIME B550-PLUS is an ATX motherboard for Socket AM4 systems, designed for 3rd Generation AMD Ryzen processors. It offers a robust power design, comprehensive cooling features and flexible connectivity including PCIe 4.0 M.2 (up to 64 Gbps), M.2 and SATA storage interfaces, DDR4 memory support up to 128 GB and 2-Way CrossFireX support for multi-GPU configurations.
Advantages
The board provides advanced tuning tools for system performance and stable power delivery. Multiple onboard heatsinks, thermal pads and hybrid fan headers improve cooling under heavy loads. PCIe 4.0 M.2 support enables high-speed NVMe SSDs and RAID configurations. Additional refinements include enhanced onboard audio components and RGB lighting controls for user customization.
Suitable for
Desktop systems based on 3rd Generation AMD Ryzen processors
DIY PC builds requiring ATX form factor and DDR4 memory up to 128 GB
Users who need fast NVMe storage (PCIe 4.0 M.2) and RAID 0/1/10 support
Gaming or content-creation rigs using 2-Way CrossFireX multi-GPU setups
Key specifications
Form factor: ATX
Chipset: AMD B550
Processor socket: Socket AM4 (3rd Gen AMD Ryzen compatible)
Memory: 4 × DIMM, DDR4 up to 128 GB
Storage: PCIe 4.0 M.2 (supports up to 22110, up to 64 Gbps), M.2 and SATA ports, RAID 0/1/10
Multi-GPU: 2-Way CrossFireX
LAN: Realtek RTL8111H Gigabit Ethernet
Weight: 1.003 kg
How to use
Install a compatible 3rd Generation AMD Ryzen CPU into the Socket AM4, fit DDR4 DIMMs into the memory slots, and mount the motherboard in an ATX case. Connect power from a compatible PSU to the 24-pin ATX and CPU power headers, attach storage devices to the M.2 and SATA connectors, and install graphics cards into the PCIe slots if required. Use the UEFI BIOS and ASUS software utilities to configure memory, storage RAID and fan profiles, and apply performance tuning settings.
Usage recommendations
For stable operation under heavy workloads, ensure adequate case airflow and attach system fans to the motherboard’s hybrid headers. Use quality thermal paste and verify VRM heatsinks and thermal pads are properly seated. For best storage performance, install NVMe SSDs in the PCIe 4.0 M.2 slot and configure RAID through the BIOS if required.

## Specifications

### Features

| Feature | Value |
|---|---|
| Motherboard form factor | ATX |
| Motherboard chipset | AMD B550 |
| Audio output channels | 7.1 |
| Motherboard chipset family | AMD |

| Feature | Value |
|---|---|
| Product colour | Silver, Black |

### Processor

| Feature | Value |
|---|---|
| Processor manufacturer | AMD |
| Processor socket | Socket AM4 |

### Memory

| Feature | Value |
|---|---|
| Number of memory slots | 4 |
| Maximum internal memory | 128 GB |
| Supported memory types | DDR4-SDRAM |
| Supported memory clock speeds | 3333, 2133, 3200, 3000, 2800, 2400, 2666, 3466, 3600, 3733, 3866, 4000, 4133, 4266, 4400, 4600 |
| Memory slots type | DIMM |
| ECC сompatibility | ECC & non-ECC |

### Expansion slots

| Feature | Value |
|---|---|
| PCI slots | 2 |
| Number of M.2 (M) slots | 2 |

### Graphics

| Feature | Value |
|---|---|
| Parallel processing technology support | 2-Way CrossFireX |
| On-board graphics card | No |

### Network

| Feature | Value |
|---|---|
| Ethernet LAN | Yes |
| LAN controller | Realtek RTL8111H |
| Wi-Fi | No |
| Ethernet interface type | Gigabit Ethernet |

### Internal I/O

| Feature | Value |
|---|---|
| USB 2.0 connectors | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 1 |
| Number of SATA III connectors | 6 |

### Rear panel I/O ports

| Feature | Value |
|---|---|
| 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 | 4 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 2 |

### Storage controllers

| Feature | Value |
|---|---|
| RAID levels | 1, 10 |
| RAID support | Yes |
| Supported storage drive interfaces | SATA, M.2 |

### BIOS

| Feature | Value |
|---|---|
| BIOS memory size | 256 Mbit |
| BIOS type | UEFI AMI |

### Other features

| Feature | Value |
|---|---|
| Supported processor sockets | Socket AM4 |
| Weight | 1.003 kg |
| Height | 67 mm |

### Logistics data

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

## FAQ

### How much does the Motherboard ASUS PRIME B550-PLUS, 90MB14U0-M0EAY0 cost, and is it available for purchase?

The price is 106.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 535 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 ASUS PRIME B550-PLUS, 90MB14U0-M0EAY0 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 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. 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, 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 ASUS PRIME B550-PLUS, 90MB14U0-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.

## Image

https://aio.lv/img/cache/product/3512167/65417400_large.webp