ASRock B550M Steel Legend AM4 DDR4 mATX Motherboard

ASRock B550M Steel Legend - Description

AM4 DDR4 mATX Motherboard

The ASRock B550M Steel Legend is a powerful and compact mATX motherboard built for AMD AM4 socket processors. It supports Ryzen 3000, 4000G, 5000, and 5000G series CPUs, making it highly versatile for different performance needs. Designed with a 10-phase power system using Dr. MOS technology, it ensures stable power delivery for both gaming and productivity tasks. Memory support includes high-speed DDR4 modules with overclocking capabilities reaching up to 4733+ MHz.

Performance:

The motherboard's performance is anchored by a high-end power and cooling architecture. It uses an 8+4-pin hi-density EPS connector and a 24-pin ATX connector for stable power input. Its digital power design incorporates 50A Dr. MOS and 60A premium chokes for reliable efficiency under load. Heat is managed by a large aluminum alloy heatsink and a 2oz copper PCB, which also enhances signal quality. For long-term durability, the GPU PCIe slot and DIMM memory slots feature 15µ gold-plated contacts for superior connectivity and corrosion resistance.

Tough As Steel True Legend:

The Steel Legend series embodies a philosophy of rock-solid durability and striking aesthetics. Designed with top-tier specifications and components, it meets the needs of daily users and mainstream enthusiasts by ensuring stable and dependable performance.

STEEL FOREVER:

Unlock infinite performance potential with a design built to last.

PCIe*4.0 for Everyone:

The AMD B550 chipset brings PCIe 4.0 technology to a broader audience, enabling greater performance, bandwidth, and speed for all users.

Nahimic Audio:

Enjoy crystal-clear, immersive sound across multiple devices, whether through headphones, speakers, USB, Wi-Fi, HDMI, or analog outputs. Nahimic Audio technology enhances the audio experience with detailed, vibrant, and dynamic sound quality.

Dr. MOS:

This advanced power stage solution outperforms traditional discrete MOSFETs by delivering higher current and superior efficiency. It ensures better thermal performance and stable power delivery, making it ideal for modern CPUs.

10 Power Phase Design:

Equipped with premium components and a smooth power delivery system, the motherboard supports advanced overclocking while maintaining low temperatures. It’s designed to meet the needs of gamers and power users seeking maximum performance.

Hi-Density Power Connector:

This connector technology reduces power loss by 23% and lowers the connector's operating temperature by 22 degrees Celsius. 8+4 12V Power Connectors, 24-pin ATX Power Connector

2oz Copper PCB:

Featuring 2oz copper inner layers, the motherboard delivers improved signal stability, better heat management, and higher energy efficiency. This design allows extreme overclocking and supports the latest DDR4 memory modules for maximum performance.

Rule Your Lighting with Polychrome RGB:

ASRock motherboards combine high-end performance with customizable aesthetics. With Polychrome RGB, users can control built-in RGB LEDs or synchronize lighting across LED strips, fans, coolers, chassis, and other Polychrome Sync-certified devices—creating a seamless and personalized lighting experience.

Dragon 2.5 Gb/s LAN:

This intelligent 2.5Gb/s LAN platform is engineered for peak networking performance, meeting the demanding needs of home networks, content creators, online gamers, and high-quality media streaming. It increases networking bandwidth by up to 2.5X over standard Gigabit Ethernet, delivering a faster and superior connectivity experience for gaming, file transfers, and backups.

A SOLID M.2-SOLUTION PERFORMER:

Ready for higher capacity and faster Type 2280 M.2 NVMe SSDs to meet performance demands. The Hyper M.2 socket supports PCIe Gen4 x4, while the additional M.2 socket operates on PCIe Gen3 x2 and SATA3 modes.

AMD SMART ACCESS MEMORY:

Conventional PC systems restrict the processor to accessing only a portion of graphics memory, which limits performance. AMD Smart Access Memory expands the data channel to utilize the GPU's full memory potential, removing the bottleneck and boosting system performance.

Reinforced Steel Slot:

The reinforced steel PCIe 4.0 slot is built for maximum durability and performance, offering a stronger physical build and stable signal integrity to reliably hold heavy, high-speed graphics cards.

Dual USB 3.2 Gen2 (Type-A + Type-C):

This motherboard includes a pair of rear I/O USB 3.2 Gen2 ports (Type-A and Type-C) to support next-generation devices, delivering data transfer speeds of up to 10 Gbps.

M.2 (KEY E) For WiFi:

In addition to the onboard LAN, users can opt for wireless connectivity via the M.2 (Key E) slot.

Flexible Integrated I/O Shield:

Unlike typical pre-mounted I/O shields that are mainly decorative, this design includes extra tolerance space, making the shield adjustable during installation for a perfect fit with any chassis, free of mechanical issues.

Dual Graphics Outputs:

Equipped with the two most commonly used connectors—HDMI and DisplayPort—providing greater flexibility for graphics output options.

AMD StoreMI Technology:

A powerful tool that merges the speed of an SSD with the capacity of an HDD into a single, easy-to-manage drive. AMD StoreMI automatically moves frequently accessed data to the SSD, offering the best of both speed and storage space.

Super Motherboard Alloy:

XXL Aluminum Alloy Heatsink:

An extra-large aluminum alloy heatsink that efficiently dissipates heat from the MOSFET and chipset, ensuring greater system stability.

Premium 60A Power Choke:

Compared to traditional chokes, ASRock’s premium 60A power chokes improve saturation current by up to three times, delivering enhanced and more stable Vcore voltage to the motherboard.

Dr. MOS:

An integrated power stage solution optimized for voltage regulation. It intelligently delivers higher current, supporting up to 50A continuous current per phase for improved thermal performance and superior efficiency.

Nichicon 12K Black Caps:

High-end 12K black capacitors with a lifespan of at least 12,000 hours—20% longer than the 10,000-hour capacitors often used on other high-end motherboards—providing greater stability and reliability.

I/O Armor:

A protective cover designed to shield crucial components near the motherboard’s rear I/O from damage caused by static electricity.

Matte Black PCB:

A sleek matte black and copper color scheme that complements the premium components used on ASRock’s high-end motherboards.

Gold Audio Jacks:

Gold audio jacks offer not only lasting aesthetics but also stable and reliable sound transmission over time.

Full Spike Protection:

Sensitive digital components can be harmed by power surges. ASRock’s Full Spike Protection incorporates multiple safeguards to shield the motherboard’s components from damage due to unexpected voltage spikes.

Live Update & APP Shop:

ASRock Live Update & APP Shop offers a convenient way to access various apps and support software. It allows users to easily optimize their system and keep the motherboard’s software up to date.

View More of Motherboards