---
product_id: 241987989
title: "B550M Steel Legend ATX Motherboard Socket AM4 DDR4 3rd Gen AMD AM4 Ryzen"
brand: "asrock"
price: "$539.72"
currency: USD
in_stock: true
category: "As Rock"
url: https://www.desertcart.us/products/241987989-b550m-steel-legend-atx-motherboard-socket-am4-ddr4-3rd-gen
store_origin: US
region: United States of America
---

# 10 Power Phase Design for stable OC PCIe 4.0 x16 for next-gen GPU speed DDR4 4733+ (OC) ultra-fast memory support B550M Steel Legend ATX Motherboard Socket AM4 DDR4 3rd Gen AMD AM4 Ryzen

**Brand:** asrock
**Price:** $539.72
**Availability:** ✅ In Stock

## Summary

> ⚡ Power your Ryzen dreams with Steel Legend precision!

## Quick Answers

- **What is this?** B550M Steel Legend ATX Motherboard Socket AM4 DDR4 3rd Gen AMD AM4 Ryzen by asrock
- **How much does it cost?** $539.72 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/241987989-b550m-steel-legend-atx-motherboard-socket-am4-ddr4-3rd-gen)

## Best For

- asrock enthusiasts

## Why This Product

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

## Key Features

- • **Next-Gen Expansion:** Equipped with PCIe 4.0 x16 slot for cutting-edge graphics cards and lightning-fast data throughput.
- • **Blazing Fast Memory:** Supports DDR4 speeds up to 4733+ MHz (OC) to keep your multitasking and gaming buttery smooth.
- • **Power Meets Precision:** 10-phase Dr. MOS power design ensures rock-solid stability for your Ryzen build, even under heavy overclocking.
- • **Immersive Visuals & Audio:** HDMI & DisplayPort outputs paired with 7.1 channel HD audio and Nahimic tech for a premium multimedia experience.
- • **Connectivity That Keeps Up:** 12 USB ports including USB 3.2 Gen2 Type-A and Type-C for seamless device integration and future-proofing.

## Overview

The ASRock B550M Steel Legend motherboard is a robust AM4 socket platform designed for 3rd Gen and future AMD Ryzen processors. Featuring a 10-phase power design with Dr. MOS, it supports ultra-fast DDR4 4733+ memory overclocking and PCIe 4.0 x16 for next-gen graphics. With extensive connectivity options including 12 USB ports, dual M.2 slots, and advanced audio/video outputs, it delivers a high-performance, future-ready foundation for professional-grade builds.

## Description

B550M Steel Legend Supports AMD AM4 Socket Ryzen™ 3000, 4000 G-Series and 5000 Series Desktop Processors* 10 Power Phase Design, Dr. MOS Supports DDR4 4733+ (OC) 1 PCIe 4.0 x16, 1 PCIe 3.0 x16, 1 PCIe 3.0 x1, 1 M.2 Key E for WiFi Graphics Output Options: HDMI, DisplayPort AMD CrossFireX™ 7.1 CH HD Audio (Realtek ALC1200 Audio Codec), Nahimic Audio 6 SATA3, 1 Hyper M.2 (PCIe Gen4 x4), 1 M.2 (PCIe Gen3 x2 & SATA3) 2 USB 3.2 Gen2 (Rear Type A+C), 8 USB 3.2 Gen1 (4 Front, 4 Rear) Dragon 2.5G LAN

## Features

- Supports 3rd Gen AMD AM4 Ryzen / Future AMD Ryzen Processors
- 10 Power Phase Design, Dr. MOS
- Supports DDR4 4733+ (OC)
- 1 PCIe 4.0 x16, 1 PCIe 3.0 x16, 1 PCIe 3.0 x1, 1 M.2 Key E for WiFi
- Graphics Output Options: HDMI, DisplayPort

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B089W2Q2QC |
| Best Sellers Rank | #79,221 in Computers & Accessories ( See Top 100 in Computers & Accessories ) #575 in Motherboards |
| Brand Name | ASRock |
| CPU Model | Ryzen 3 |
| Chipset Type | AMD B550 |
| Compatible Devices | 3rd Gen AMD AM4 Ryzen / Future AMD Ryzen Processors |
| Compatible Processors | Supports AMD AM4 Socket Ryzen™ 3000, 3000 G-Series, 4000 G-Series, 5000 and 5000 G-Series Desktop Processors |
| Country of Origin | USA |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,109) |
| DriveMemory Storage Capacity | 128 GB |
| Global Trade Identification Number | 04710483931505 |
| Graphics Card Interface | PCI Express |
| Importer Contact Information | Tech Data Advanced Solutions (India) Private Limited : A-301 3rd Floor, Supreme Business Park, Behind Lake Castle Hiranandani Gardens Powai Mumbai 400076 |
| Item Type Name | Motherboard |
| Item Weight | 1 Kilograms |
| Main Power Connector Type | 24-Pin |
| Manufacturer | ASRock, ASRock Factory address: MEGA STEP ELECTRONICS (VIETNAM) CO., LTD. Add: 37 Dai Lo Tu Do, Vietnam-Singapore Industrial Park, An Phu Ward, Thuan An Town, Binh Duong Province, Vietnam |
| Manufacturer Contact Information | ASRock Factory address: MEGA STEP ELECTRONICS (VIETNAM) CO., LTD. Add: 37 Dai Lo Tu Do, Vietnam-Singapore Industrial Park, An Phu Ward, Thuan An Town, Binh Duong Province, Vietnam |
| Manufacturer Part Number | B550M STEEL LEGEND |
| Memory Clock Speed | 2400 MHz |
| Memory Slots Available | 2 |
| Model Name | B550M STEEL LEGEND |
| Model Number | B550M STEEL LEGEND |
| Number Of Ports | 12 |
| Number of Ethernet Ports | 1 |
| Number of Items | 1 |
| Packer Contact Information | ASRock Factory address: MEGA STEP ELECTRONICS (VIETNAM) CO., LTD. Add: 37 Dai Lo Tu Do, Vietnam-Singapore Industrial Park, An Phu Ward, Thuan An Town, Binh Duong Province, Vietnam |
| 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 HDMI Port | 1 |
| Total PCIe Ports | 4 |
| Total SATA Ports | 6 |
| Total USB Ports | 12 |
| USB 2.0 | 2 |
| Unit Count | 1 Pack |
| Warranty Description | 3 Years Limited Warranty |

## Product Details

- **Brand:** ASRock
- **CPU Socket:** Socket AM4
- **Compatible Devices:** 3rd Gen AMD AM4 Ryzen / Future AMD Ryzen Processors
- **RAM Memory Technology:** DDR4

## Images

![B550M Steel Legend ATX Motherboard Socket AM4 DDR4 3rd Gen AMD AM4 Ryzen - Image 1](https://m.media-amazon.com/images/I/719Tu+rAdSL.jpg)

## Questions & Answers

**Q: Can this run two m.2 3.0 ssd or can it only run one 3.0 ssd and one 4.0 ssd?**
A: You can do either combination there, just keep in mind installing the 2nd M.2 will disable SATA sockets #3, 5 & 6.

**Q: Does the board come with antenna? Or does it require purchasing of antenna?**
A: It does not come with an antenna.

**Q: Is the pcie x16 port far enough apart to be able to install a gpu in it even with a noctua nh-d15 mounted on the cpu?**
A: You should not find any clearance issues.

**Q: Will this motherboard work with a Ryzen 5 1600 AF?**
A: No

## Frequently Bought Together

- ASRock B550M Steel Legend Supports 3rd Gen AMD AM4 Ryzen™ / Future AMD Ryzen™ Processors Motherboard
- AMD Ryzen 7 5700X 8-Core, 16-Thread Unlocked Desktop Processor
- A-Tech Server 32GB Kit (2x16GB) DDR4 3200MHz PC4-25600 ECC UDIMM 2Rx8 Dual Rank 1.2V ECC Unbuffered DIMM 288-Pin Server & Workstation RAM Memory Upgrade Modules (A-Tech Enterprise Series)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-10-15*