---
product_id: 254226343
title: "PRIME B550M-K, AMD B550 Micro ATX motherboard with dual M.2, PCIe 4.0, 1 Gb Ethernet, HDMI/D-Sub/DVI, SATA 6 Gbps, USB 3.2 Gen 2 Type-A - 90MB14V0-M0EAY0"
brand: "asus"
price: "$221.35"
currency: USD
in_stock: true
category: "Asus"
url: https://www.desertcart.us/products/254226343-prime-b550m-k-amd-b550-micro-atx-motherboard-with-dual
store_origin: US
region: United States of America
---

# PCIe 4.0 ultra-speed Dual M.2 slots for NVMe SSDs Advanced cooling with Fan Xpert 2+ PRIME B550M-K, AMD B550 Micro ATX motherboard with dual M.2, PCIe 4.0, 1 Gb Ethernet, HDMI/D-Sub/DVI, SATA 6 Gbps, USB 3.2 Gen 2 Type-A - 90MB14V0-M0EAY0

**Brand:** asus
**Price:** $221.35
**Availability:** ✅ In Stock

## Summary

> 🚀 Prime your build for unstoppable speed and reliability!

## Quick Answers

- **What is this?** PRIME B550M-K, AMD B550 Micro ATX motherboard with dual M.2, PCIe 4.0, 1 Gb Ethernet, HDMI/D-Sub/DVI, SATA 6 Gbps, USB 3.2 Gen 2 Type-A - 90MB14V0-M0EAY0 by asus
- **How much does it cost?** $221.35 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/254226343-prime-b550m-k-amd-b550-micro-atx-motherboard-with-dual)

## Best For

- asus enthusiasts

## Why This Product

- Trusted asus brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Blazing-Fast Storage:** Dual M.2 slots with PCIe 4.0 deliver lightning-quick NVMe SSD speeds to crush load times.
- • **Next-Gen Ryzen Ready:** Seamlessly supports 3rd Gen AMD Ryzen processors for powerhouse performance.
- • **Rock-Solid Reliability:** 5X Protection III hardware safeguards ensure your system stays safe and stable 24/7.
- • **Stay Cool Under Pressure:** Comprehensive cooling with PCH heatsink and Fan Xpert 2+ keeps your rig chill during intense workloads.
- • **Connectivity That Keeps Up:** USB 3.2 Gen 2 Type-A and 1 Gb Ethernet provide ultra-responsive data transfer and lag-free networking.

## Overview

The Asus PRIME B550M-K is a micro ATX motherboard engineered for 3rd Gen AMD Ryzen CPUs, featuring dual M.2 PCIe 4.0 slots, advanced cooling with Fan Xpert 2+, and robust 5X Protection III hardware safeguards. It offers versatile connectivity including USB 3.2 Gen 2 and 1 Gb Ethernet, making it an ideal choice for professionals and DIY enthusiasts seeking high performance and reliability in a compact form factor.

## Description

ASUS Prime series is expertly engineered to unleash the full potential of 3rd Generation AMD Ryzen platform. Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, Prime B550 series motherboards provide daily users and DIY PC builders a range of performance tuning options via intuitive software and firmware features.

## Features

- AMD AM4 socket: Ready for 3rd Gen AMD Ryzen processors
- Comprehensive cooling: PCH heatsink and Fan Xpert 2+
- Ultrafast connectivity: Dual M.2, PCIe 4.0, 1 Gb Ethernet, USB 3.2 Gen 2 Type-A
- 5X Protection III: Multiple hardware safeguards for all-around system protection

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B089HF7ZRS |
| Best Sellers Rank | #14,751 in Computers ( See Top 100 in Computers ) #76 in Motherboards |
| Brand | ASUS |
| CPU Model | Ryzen 5 |
| Chipset Family | AMD |
| Chipset Type | AMD B550 |
| Compatible Devices | Desktop PC |
| Compatible Processors | AMD Ryzen 5000, AMD Ryzen 4000, AMD Ryzen 3000 |
| Customer Reviews | 4.6 4.6 out of 5 stars (393) |
| Global Trade Identification Number | 04718017758284 |
| Graphics Card Interface | PCI Express, PCI-Express x16 |
| Item Dimensions L x W x H | 24.4L x 3W x 24.4H centimeters |
| Item Type Name | Personal Computers |
| Item Weight | 600 Grams |
| Main Power Connector Type | 24-Pin |
| Manufacturer | Asus |
| Memory Clock Speed | 2133 MHz |
| Memory Slots Available | 4 |
| Memory Storage Capacity | 1 GB |
| Mfr Part Number | 90MB14V0-M0EAY0 |
| Model Name | Prime B550M-K |
| Model Number | 90MB14V0-M0EAY0 |
| Number of Ports | 17 |
| Platform | Windows 10 |
| Processor Socket | Socket AM4 |
| RAM Memory Technology | DDR4 |
| Ram Memory Maximum Size | 128 GB |
| S/PDIF Connector Type | Optical |
| System Bus Standard Supported | SATA 3 |
| Total Number of HDMI Ports | 1 |
| Total PCIe Ports | 2 |
| Total SATA Ports | 4 |
| Total Usb Ports | 12 |
| USB 2.0 | 4 |
| Unit Count | 1 Count |
| Warranty Description | 1 year manufacturer |

## Product Details

- **Brand:** ASUS
- **CPU socket:** Socket AM4
- **Compatible devices:** Desktop PC
- **Compatible processors:** AMD Ryzen 5000, AMD Ryzen 4000, AMD Ryzen 3000
- **Ram memory technology:** DDR4

## Images

![PRIME B550M-K, AMD B550 Micro ATX motherboard with dual M.2, PCIe 4.0, 1 Gb Ethernet, HDMI/D-Sub/DVI, SATA 6 Gbps, USB 3.2 Gen 2 Type-A - 90MB14V0-M0EAY0 - Image 1](https://m.media-amazon.com/images/I/81bfJZpJsSL.jpg)

## Available Options

This product comes in different **Size, Style** options.

## Frequently Bought Together

- ASUS PRIME B550M-K, AMD AM4, MATX, 128GB DDR4, 4DIMM, D-SUB, DVI-D, HDMI, PCIE
- Corsair VENGEANCE LPX DDR4 RAM 16GB (2x8GB) 3200MHz CL16 Intel XMP 2.0 Computer Memory - Black (CMK16GX4M2B3200C16)
- AMD Ryzensets 5 5600 processor ( 6 Cores/12 Threads, 65W TDP, AM4 Socket, up to 4.4 Ghz max boost, wraith stealth cooler)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-06-09*