---
product_id: 215291574
title: "B550-A PRO"
brand: "msi"
price: "MX$11270"
currency: MXN
in_stock: true
url: https://www.desertcart.mx/products/215291574-b550-a-pro
store_origin: MX
region: Mexico
---

# PCIe 4.0 for ultra-fast data transfer Supports up to 128GB DDR4 RAM at 4400 MHz Advanced thermal design with M.2 Shield Frozr B550-A PRO

**Brand:** msi
**Price:** MX$11270
**Availability:** ✅ In Stock

## Summary

> 🚀 Power your pro workflow with MSI B550-A PRO — where speed meets stability!

## Quick Answers

- **What is this?** B550-A PRO by msi
- **How much does it cost?** MX$11270 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.mx](https://www.desertcart.mx/products/215291574-b550-a-pro)

## Best For

- msi enthusiasts

## Why This Product

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

## Key Features

- • **Cool Under Pressure:** Premium thermal solution with extended heatsinks and M.2 Shield Frozr keeps your rig chill during intense workloads.
- • **Next-Gen Powerhouse:** Supports 3rd Gen and future AMD Ryzen CPUs with BIOS update for unstoppable performance.
- • **Massive Memory Capacity:** Dual channel DDR4 support up to 128GB at 4400 MHz to future-proof your multitasking needs.
- • **Plug & Play BIOS Upgrade:** Flash BIOS button lets you update firmware hassle-free, even without CPU or RAM installed.
- • **Blazing Fast Connectivity:** PCIe 4.0 and USB 3.2 Gen 2 deliver lightning-speed data and peripheral access.

## Overview

The MSI B550-A PRO motherboard is engineered for AMD Ryzen 3rd Gen and future processors, featuring PCIe 4.0, support for up to 128GB DDR4 RAM at 4400 MHz, and advanced thermal solutions including M.2 Shield Frozr. Designed for professionals and gamers alike, it offers robust power delivery, extensive connectivity with USB 3.2 Gen 2, and a user-friendly BIOS flash button, ensuring a reliable and high-performance computing experience.

## Description

Powered by AMD Ryzen AM4 processors, the MSI B550-A PRO combines stable functionality and high-quality assembly to solve professional workflows. Extended Heatsink Design and Core boost keep critical components operating reliably. PCIe 4.0 slots and M.2 with Shield Frozr provides the latest in device connectivity.

## Features

- Support for 3rd Gen AMD Ryzen processors and future AMD Ryzen processors with BIOS update.Audio ports (Rear) : Realtek ALC892/ALC897 Codec
- Supports dual channel DDR4 memory up to 128 GB (4400 MHz)
- Lightning Fast Game experience: PCIe 4.0, Lightning Gen 4 M.2 with M.2 Shield Frozr, AMD Turbo USB 3.2 GEN 2
- Core Boost technology combines optimized power circuit layouts and digital power regulation which allows for precise and steady current delivery to the CPU
- AUDIO BOOST rewards your ears with studio grade sound quality for immersive gaming experiences
- Premium Thermal Solution: Heatsink thermal pad rated for 7W/mk and PCB with 2oz thickened copper
- Flash BIOS Button lets users flash the BIOS even without a CPU or memory

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B089CZSQB4 |
| Best Sellers Rank | #104 in Computer Motherboards |
| Brand | msi |
| CPU Model | AMD Ryzen 7 |
| Chipset Family | AMD B550 |
| Chipset Type | AMD B550 |
| Compatible Devices | Personal Computer |
| Compatible Processors | RYZEN 9 |
| Customer Reviews | 4.6 4.6 out of 5 stars (3,909) |
| Graphics Card Interface | PCI Express |
| Item Dimensions L x W x H | 14"L x 11"W x 3"H |
| Item Weight | 1500 g |
| Main Power Connector Type | 24-Pin |
| Manufacturer | MSI |
| Memory Clock Speed | 6 |
| Memory Slots Available | 4 |
| Memory Storage Capacity | 128 GB |
| Mfr Part Number | B550-A PRO |
| Model Name | B550APRO |
| Model Number | B550-A PRO |
| Number of Ethernet Ports | 1 |
| Number of Items | 1 |
| Number of Ports | 23 |
| 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 | 4 |
| Total SATA Ports | 6 |
| Total Usb Ports | 15 |
| UPC | 824142219362 |
| USB 2.0 | 2 |
| Warranty Description | 3 Years |

## Product Details

- **Brand:** msi
- **CPU Model:** AMD Ryzen 7
- **CPU Socket:** Socket AM4
- **Chipset Type:** AMD B550
- **Compatible Devices:** Personal Computer
- **Compatible Processors:** RYZEN 9
- **Memory Clock Speed:** 6
- **Model Name:** B550APRO
- **Platform:** Windows 10
- **RAM Memory Technology:** DDR4

## Images

![B550-A PRO - Image 1](https://m.media-amazon.com/images/I/613C+a7297L.jpg)

## Available Options

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

## Questions & Answers

**Q: What size is this motherboard?**
A: It is an ATX motherboard.

**Q: Is this wifi integrated? 😅👉👈**
A: Nope, no built in wifi

**Q: How many sata ports?**
A: This board has 6 SATA ports

**Q: is it possible to add a WIFI card to this motherboard?**
A: Yes, I added a wifi card to one of the PCIe slots on this board.

https://smile.amazon.com/gp/product/B07X462KRK/ref=ppx_yo_dt_b_asin_title_o07_s02?ie=UTF8&psc=1

This is the card I used, it's working fine. I would do your own research on what card you want to use.

## Frequently Bought Together

- MSI B550-A PRO ProSeries Motherboard (AMD Ryzen 5000, AM4, DDR4, PCIe 4.0, SATA 6Gb/s, M.2, USB 3.2 Gen 2, HDMI/DP, ATX)
- AMD Ryzen 7 5700X 8-Core, 16-Thread Unlocked Desktop Processor
- ARCTIC MX-4 (4 g) - Premium Performance Thermal Paste for All Processors (CPU, GPU - PC), Very high Thermal Conductivity, Long Durability, Safe Application, Non-Conductive

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.mx/products/215291574-b550-a-pro](https://www.desertcart.mx/products/215291574-b550-a-pro)

---

*Product available on Desertcart Mexico*
*Store origin: MX*
*Last updated: 2026-10-18*