Asrock B550 Steel Legend - Motherboard - ATX - Socket Am4
- Supports AMD Ryzen processors •
- PCIe 4.0 for fast storage and graphics •
- Dual M.2 slots with PCIe Gen4 support •
- RGB lighting control with Polychrome RGB •
- More features
Offers updated on: 14/09/2025. Paid and non-exhaustive ads. ★ The ratings are generated from multiple sources, including data provided by the merchant and publicly available information.
Description
The Asrock B550 Steel Legend is a top-tier motherboard that redefines performance and reliability for PC enthusiasts. Released with the cutting-edge AMD B550 chipset, this ATX motherboard is designed to leverage the full power of AMD's Ryzen processors, specifically tailored for the Socket AM4.
Engineered for maximum efficiency, the Asrock B550 Steel Legend supports a plethora of memory options, accommodating up to 128 GB of DDR4 memory across four DIMM slots. With support for memory clock speeds ranging from 2133 MHz all the way to an impressive 4733 MHz, you can fine-tune your system for optimal performance.
This motherboard is perfect for gamers and content creators alike, thanks to its dual-channel memory architecture which enhances data transfer rates. Add to this the RAID support for HDD and SSD setups, and you can enhance your storage throughput dramatically.
One standout feature of this motherboard is its support for CrossFireX and Quad-GPU CrossFireX, allowing you to scale your graphics capabilities for an immersive gaming experience. With a maximum resolution of 5120 x 2880 pixels, you can enjoy stunning visuals that bring your favorite titles to life.
For connectivity, the Asrock B550 Steel Legend does not disappoint. It boasts multiple USB ports, including USB 3.2 Gen 2 Type-C, and a robust Ethernet LAN connection featuring 2.5 Gigabit support. It even has the latest HDMI 2.1 output to ensure compatibility with today’s displays.
Additionally, the motherboard comes equipped with advanced audio options through its Realtek ALC1220 audio chip, delivering 7.1 channel audio for a rich sound experience, whether for gaming, movie nights, or music production.
The Asrock B550 Steel Legend also focuses on user convenience, featuring a UEFI AMI BIOS with a user-friendly interface. For DIY enthusiasts, the motherboard includes a quick installation guide, ensuring a smooth building experience.
Key features include:
- Processor Support: AMD Ryzen 3000 Series
- Memory Support: Up to 128 GB DDR4
- Storage Options: HDD and SSD with M.2 and SATA interfaces
- Graphics Capability: Supports CrossFireX for multi-GPU setups
- Audio Solution: 7.1 channel sound for immersive experiences
Overall, the Asrock B550 Steel Legend is more than just a motherboard; it’s a complete solution for anyone looking to build a robust and high-performance PC. Its combination of power, versatility, and user-friendly features makes it an essential choice for modern computing needs.
Features
Processor
- Processor manufacturer:AMD
- Processor socket:Socket AM4
- Compatible processor series:AMD Ryzen 3000 Series
- Maximum number of SMP processors:1
- Supported processor sockets:Socket AM4
Memory
- Supported memory types:DDR4-SDRAM
- Number of memory slots:4
- Memory slots type:DIMM
- Memory channels:Dual-channel
- ECC сompatibility:ECC & Non-ECC
- Supported memory clock speeds:2133,2400,2667,2933,3200,3466,3600,3733,3800,3866,4000,4133,4200,4266,4333,4400,4466,4533,4600,4666,4733 MHz
- Supported memory clock speed (max):4733 MHz
- Maximum internal memory:128 GB
- Supported memory module capacities:4GB, 8GB, 16GB, 32GB
- Unbuffered memory:Yes
Storage controllers
- Supported storage drive types:HDD & SSD
- Supported storage drive interfaces:M.2, SATA III
- RAID support:Yes
- RAID levels:0, 1, 10
Graphics
- Parallel processing technology support:CrossFireX, Quad-GPU CrossFireX
- Maximum resolution:5120 x 2880 pixels
- HDCP:Yes
- DirectX version:12.0
- Number of displays supported:2
Internal I/O
- USB 2.0 connectors:2
- USB 3.2 Gen 1 (3.1 Gen 1) connectors:1
- USB 3.2 Gen 2 (3.1 Gen 2) connectors:1
- Number of SATA III connectors:6
- Front panel audio connector:Yes
- Front panel connector:Yes
- ATX Power connector (24-pin):Yes
- CPU fan connector:Yes
- Number of chassis fan connectors:5
- Peripheral (Molex) power connectors (4-pin):1
- EPS power connector (8-pin):Yes
- TPM connector:Yes
- 12V power connector:Yes
- RGB LED pin header:Yes
Rear panel I/O ports
- USB 2.0 ports quantity:4
- USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity:2
- USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity:1
- USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity:1
- Ethernet LAN (RJ-45) ports:1
- PS/2 ports quantity:1
- HDMI ports quantity:1
- HDMI version:2.1
- DisplayPorts quantity:1
- DisplayPort version:1.4
- Microphone in:Yes
- S/PDIF out port:Yes
- WiFi-AP antenna jack:2
Network
- Ethernet LAN:Yes
- Ethernet interface type:2.5 Gigabit Ethernet
- LAN controller:Dragon RTL8125BG
- Wake-on-LAN ready:Yes
- Wi-Fi:No
Features
- Motherboard chipset:AMD B550
- Audio chip:Realtek ALC1220
- Audio output channels:7.1 channels
- PC health monitoring:CPU, Fan, Temperature, Voltage, Water cooling
- Component for:PC
- Motherboard form factor:ATX
- Motherboard chipset family:AMD
- Power source type:ATX
- Windows operating systems supported:Windows 10 x64, Windows 11 x64
Expansion slots
- PCI Express x1 (Gen 3.x) slots:2
- PCI Express x16 (Gen 3.x) slots:1
- PCI Express x16 (Gen 4.x) slots:1
- Number of M.2 (M) slots:2
BIOS
- BIOS type:UEFI AMI
- BIOS memory size:256 Mbit
- ACPI version:5.1
- System Management BIOS (SMBIOS) version:2.3
Logistics data
- Harmonized System (HS) code:84733020
Weight & dimensions
- Width:305 mm
- Depth:244 mm
- Height:70 mm
Packaging content
- Cables included:SATA
- Drivers included:Yes
Other features
- Weight:465 g
- Quick installation guide:Yes
- Number of M.2 (E) slots:1
Price history
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