ASROCK – ASMBB550STEELLEGEND

Asrock B550 STEEL LEGEND, AMD B550, AM4, ATX, 4 DDR4, HDMI, DP, XFire, 2.5GB LAN, PCIe4, RGB Lighting, M.2

Specification

• Motherboard Type: Desktop
• Form Factor: ATX
• Socket: AMD AM4
• Chipset: AMD B550
• DDR Type: DDR4
• CPU Support: Click here for CPU support
  Note: not compatible with Ryzen 5 3400G & Ryzen 3 3200G CPUs
• RAM Technology: DDR4 (Dual Channel)
• RAM Slots: 4 x DIMM
• RAM Speeds: 4733+(OC) / 4666(OC) / 4600(OC) / 4533(OC) / 4466(OC) / 4400(OC) / 4333(OC) / 4266(OC) / 4200(OC) / 4133(OC) / 4000(OC) / 3866(OC) / 3800(OC) / 3733(OC) / 3600(OC) / 3466(OC) / 3200 / 2933 / 2667 / 2400 / 2133 MHz
• Maximum Memory: 128GB
• Graphics: Integrated Graphics Processor
  Graphics specifications may vary between CPU types
• Graphics Ports: 1 x HDMI, 1 x DisplayPort
• Multi-GPU Support: Supports AMD Quad CrossFireX and CrossFireX
• PCI/PCI Express: 2 x PCIe 3.0 x1, 2 x PCIe 4.0 x16
• Storage: 6 x SATA III, 1 x M.2 (2230/2242/2260/2280) – PCIe, 1 x M.2 (2230/2242/2260/2280/22110) – SATA & PCIe
• RAID: RAID 0, 1, 10
• Wireless: –
• LAN: 2.5GB LAN
• Audio: 7.1 CH HD Audio with Content Protection (Realtek ALC1220 Audio Codec)
• USB Ports Supported: 2 x USB 3.2 Gen2 (1 Type-A & 1 Type-C at back), 4 x USB 3.2 Gen1 (2 at back, 2 at mid-board), 8 x USB 2.0 (4 at back, 4 at mid-board), 1 x Front Panel Type-C USB 3.2 Gen1 Header
• Back Panel I/O Ports: 2 x Antenna Mounting Points, 1 x PS/2 Mouse/Keyboard, 1 x HDMI, 1 x DisplayPort 1.4, 1 x Optical SPDIF Out, 1 x USB 3.2 Gen2 Type-A, 1 x USB 3.2 Gen2 Type-C, 2 x USB 3.2 Gen1, 4 x USB 2.0, 1 x RJ-45 LAN, HD Audio Jacks
• Internal I/O Connectors: 1 x SPI TPM, 1 x Power LED and Speaker, 2 x RGB LED, 2 x Addressable LED, 1 x CPU Fan, 1 x CPU/Water Pump Fan, 5 x Chassis/Water Pump Fan, 1 x 24 pin ATX, 1 x 8 pin 12V, 1 x 4 pin 12V, 1 x Front Audio, 2 x USB 2.0
• Additional Internal I/O Connectors: 1 x USB 3.2 Gen1, 1 x Dr. Debug with LED, 1 x Front Panel Type C USB 3.2 Gen1 Header
• Accessories: 2 x SATA Data Cables, 3 x Screws for M.2 Sockets, 2 x Standoffs for M.2 Sockets
• Additional Features: See Overview
• Package Type: Retail
• Package Weight: 2.3700 kg
• Warranty: 3 Year Replacement Warranty

Steel Legend: Rock-Solid Durability Meets Irresistible Aesthetics

Steel Legend represents a philosophical state of rock-solid durability combined with compelling aesthetics. Built around the most demanding specifications and features, the Steel Legend series is designed for daily users and mainstream enthusiasts, providing a robust array of materials and components to ensure stable and reliable performance.

• Supports 3rd Gen AMD AM4 Ryzen™ / Future AMD Ryzen™ Processors
• 14 Power Phase Design, Digi Power, Dr. MOS
• Supports DDR4 4733+ (OC)
• 1 PCIe 4.0 x16, 1 PCIe 3.0 x16, 2 PCIe 3.0 x1, 1 M.2 Key E for WiFi
• Graphics Output Options: HDMI, DisplayPort
• AMD CrossFireX™
• 7.1 CH HD Audio (Realtek ALC1220 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 & Type-C), 5 USB 3.2 Gen1 (2 Front, 2 Rear, 1 Front Type-C)
• Dragon 2.5G LAN

Unbeatable Heatsink Armor

Forged with an aluminum alloy heatsink top cover that enhances heat dissipation. Beneath its solid cover lie two M.2 Key M sockets for high-speed SSDs.

Dual M.2 Sockets for SSD

The Hyper M.2 socket supports PCIe Gen4 x4, while the M.2 socket supports PCIe Gen3 x2 and SATA3 modes.

Nahimic Audio

Whether using headphones, a headset, or external/internal speakers, Nahimic Audio provides an immersive listening experience. The Sound Tracker visual indicator helps locate sounds in a 360° radar for full immersion.

Dr. MOS

Dr. MOS is an integrated power stage solution optimized for synchronous buck-set down voltage applications, delivering higher current for each phase and providing improved thermal performance.

Premium 60A Power Choke

Compared to traditional chokes, ASRock’s premium 60A power chokes effectively improve saturation current, enhancing Vcore voltage to the motherboard.

14 Power Phase Design

Featuring sturdy components for smooth power delivery to the CPU, offering unmatched overclocking capabilities and enhanced performance with lower temperatures.

Hi-Density Power Connector

Reduces power loss by 23% and decreases connector temperature by 22°C.

2oz Copper PCB

Using 2-ounce copper inner layers for stable signal traces and power delivery, supporting overclocking with lower temperatures and higher energy efficiency.

Rule Your Own Lighting Way – Polychrome RGB

ASRock motherboards deliver stunning performance and aesthetics with comprehensive control over built-in RGB LEDs or connected RGB devices, allowing synchronization across Polychrome RGB Sync-certified accessories.

Dragon 2.5 Gb/s LAN

Built for maximum networking performance, boosting connectivity up to 2.5X compared to standard gigabit Ethernet, enhancing gaming, file transfers, and streaming.

Reinforced Steel Slot [PCIe 4.0 Version]

Includes extra anchor points, a stronger latch, and ensures signal stability for heavy graphics cards.

Front USB 3.2 Gen1 Type-C

Delivers up to 5 Gbps data transfer rates and a next-generation reversible USB design to the front panel of the computer case.

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

Supports next-generation USB 3.2 Gen2 devices with up to 10 Gbps data transfer rates.

M.2 (KEY E) For WiFi

Allows for 802.11ac wireless connections via the M.2 (Key E) slot. Wi-Fi module not included.

Flexible Integrated I/O Shield

An adjustable I/O shield design fits chassis perfectly without mechanical issues.

Dual Graphics Outputs

Offers HDMI and DisplayPort connectors for more graphics output options.

AMD StoreMI Technology

Combines SSD speed with hard disk capacity into a single, fast drive, automatically moving frequently accessed data to the SSD.

XXL Aluminum Alloy Heatsink

Extra-large heatsinks effectively dissipate heat from the MOSFET and chipset for more stable system performance.

Premium Memory Alloy Choke

Designed for memory power delivery with heat-resistant properties for more stable and reliable power.

Nichicon 12K Black Caps

Capacitors with a lifespan of at least 12,000 hours, offering 20% longer lifespan and greater stability compared to other high-end motherboards.

I/O Armor

Protective cover for crucial parts near the motherboard’s rear I/O to prevent damage from static electricity.

Matte Black PCB

A mysterious matte black and copper color scheme to match high-end motherboard components.

High Density Glass Fabric PCB

Reduces gaps between PCB layers to protect against electrical shorts caused by humidity.

Gold Audio Jacks

Provides stable sound transmission with gold-plated audio jacks.

Full Spike Protection

Protects sensitive motherboard components from power surges with various technologies.

Live Update & APP Shop

Convenient tools for downloading apps and support software, optimizing your system, and keeping your motherboard up to date.