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ASRock B550M Steel Legend AMD AM4 Micro-ATX Motherboard

ASRock B550M Steel Legend AMD AM4 Micro-ATX Motherboard
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ASRock B550M Steel Legend AMD AM4 Micro-ATX Motherboard
  • Stock: Out Of Stock
  • Product id:  3664
  • Brand: ASRock
  • Model: B550M Steel Legend
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  • Model: B550M Steel Legend
  • Supported CPU: Ryzen 3000, 3000 G, 4000 G, 5000 and 5000 G-Series Processors
  • Supported RAM: 4 x DDR4, Max 128GB 4733+ (OC)
  • Graphics Output: 1x HDMI, 1x DisplayPort
  • Features: Dragon 2.5G LAN
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Specification
Motherboard Basic Info
PCI AMD Ryzen series CPUs (Vermeer and Matisse) - 2 x PCI Express x16 Slots (PCIE1: Gen4x16 mode; PCIE3: Gen3 x4 mode)* AMD Ryzen series APUs (Cezanne and Renoir) - 2 x PCI Express x16 Slots (PCIE1: Gen3x16 mode; PCIE3: Gen3 x4 mode)* AMD Ryzen series APUs (Picasso) - 2 x PCI Express x16 Slots (PCIE1: Gen3x8 mode; PCIE3: Gen3 x4 mode)* - 1 x PCI Express 3.0 x1 Slot - Supports AMD Quad CrossFireX™ and CrossFireX™ - 15μ Gold Contact in VGA PCIe Slot (PCIE1) - 1 x M.2 Socket (Key E), supports type 2230 WiFi/BT PCIe WiFi module
Supported CPU Supports AMD AM4 Socket Ryzen 3000, 3000 G-Series, 4000 G-Series, 5000 and 5000 G-Series Desktop Processors* Digi Power design 10 Power Phase design
BIOS 256Mb AMI UEFI Legal BIOS with GUI support Supports "Plug and Play" ACPI 5.1 compliance wake up events Supports jumperfree SMBIOS 2.3 support CPU, CPU VDDCR_SOC, DRAM, VPPM, 1.05V_PROM_S5, 2.5V_PROM, +1.8VSB, VDDP Voltage Multi-adjustment
Form Factor Micro ATX Form Factor: 9.6-in x 9.6-in, 24.4 cm x 24.4 cm 2oz Copper PCB
Motherboard Basic Information
Chipset AMD B550
Memory Specifications
Type DDR4
Graphics Specifications
Max Shared Memory Shared memory default 2GB. Max Shared memory supports up to 16GB
Motherboard Memory Info
Slots 4 x DIMM Slots
Supported Memory AMD Ryzen series CPUs (Vermeer) support DDR4 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 ECC & non-ECC, un-buffered memory* AMD Ryzen series CPUs (Matisse) support DDR4 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 ECC & non-ECC, un-buffered memory* AMD Ryzen series APUs (Cezanne) support DDR4 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 ECC & non-ECC, un-buffered memory* AMD Ryzen series APUs (Renoir) support DDR4 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 ECC & non-ECC, un-buffered memory* AMD Ryzen series APUs (Picasso) support DDR4 3333+(OC) / 3200(OC) / 2933 / 2667 / 2400 / 2133 non-ECC, un-buffered memory* Supports Extreme Memory Profile (XMP) memory modules 15μ Gold Contact in DIMM Slots
Maximum Memory 128GB
Connectivity
Display Port 1 x DisplayPort 1.2
Motherboard Graphics Info
Graphics - Integrated AMD Radeon Vega Series Graphics in Ryzen Series APU - DirectX 12, Pixel Shader 5.0 - Dual graphics output: support HDMI and DisplayPort 1.4 ports by independent display controllers - Supports HDMI 2.1 with max. resolution up to 4K x 2K (4096x2160) @ 60Hz - Supports DisplayPort 1.4 with max. resolution up to 5K (5120x2880)@120Hz - Supports Auto Lip Sync, Deep Color (12bpc), xvYCC and HBR (High Bit Rate Audio) with HDMI 2.1 Port (Compliant HDMI monitor is required) - Supports HDR (High Dynamic Range) with HDMI 2.1 - Supports HDCP 2.3 with HDMI 2.1 and DisplayPort 1.4 Ports*** - Supports 4K Ultra HD (UHD) playback with HDMI 2.1 and DisplayPort 1.4 Ports - Supports Microsoft® PlayReady
Connector & Ports (MB)
HDMI 1 x HDMI Port
USB (s) 1 x USB 3.2 Gen2 Type-A Port (10 Gb/s) (Supports ESD Protection) 1 x USB 3.2 Gen2 Type-C Port (10 Gb/s) (Supports ESD Protection) 4 x USB 3.2 Gen1 Ports (ASMedia ASM1074 hub) (Supports ESD Protection) 2 x USB 2.0 Ports (Supports ESD Protection)
LAN Port (s) 2.5 Gigabit LAN 10/100/1000/2500 Mb/s Dragon RTL8125BG Supports Dragon 2.5G LAN Software Smart Auto Adjust Bandwidth Control Visual User Friendly UI Visual Network Usage Statistics Optimized Default Setting for Game, Browser, and Streaming Modes User Customized Priority Control Supports Wake-On-LAN Supports Lightning/ESD Protection Supports Energy Efficient Ethernet 802.3az Supports PXE
Audio HD Audio Jacks: Rear Speaker / Central / Bass / Line in / Front Speaker / Microphone (Gold Audio Jacks)
Internal I/O Ports 1 x Power LED and Speaker Header 2 x RGB LED Headers 2 x Addressable LED Headers 1 x CPU Fan Connector (4-pin) 1 x CPU/Water Pump Fan Connector (4-pin) (Smart Fan Speed Control) 4 x Chassis/Water Pump Fan Connectors (4-pin) (Smart Fan Speed Control) 1 x 24 pin ATX Power Connector (Hi-Density Power Connector) 1 x 8 pin 12V Power Connector (Hi-Density Power Connector) 1 x 4 pin 12V Power Connector (Hi-Density Power Connector) 1 x Front Panel Audio Connector 2 x USB 2.0 Headers (Support 4 USB 2.0 ports) (Supports ESD Protection) 2 x USB 3.2 Gen1 Headers (Support 4 USB 3.2 Gen1 ports) (Supports ESD Protection)
Supported Storage 6 x SATA3 6.0 Gb/s Connectors, support RAID (RAID 0, RAID 1 and RAID 10), NCQ, AHCI and Hot Plug 1 x Hyper M.2 Socket (M2_1), supports M Key type 2280 M.2 PCI Express module up to Gen4x4 (64 Gb/s) (with Vermeer, Matisse) or Gen3x4 (32 Gb/s) (with Cezanne, Renoir and Picasso) 1 x M.2 Socket (M2_2), supports M Key type 2280 M.2 SATA3 6.0 Gb/s module and M.2 PCI Express module up to Gen3 x2 (16 Gb/s)
Others
Special Features ASRock USB 3.2 Gen2 - ASRock USB 3.2 Gen2 Type-A Port (10 Gb/s) - ASRock USB 3.2 Gen2 Type-C Port (10 Gb/s) ASRock Super Alloy - XXL Aluminum Alloy Heatsink - Premium 60A Power Choke - 50A Dr.MOS - Nichicon 12K Black Caps (100% Japan made high quality conductive polymer capacitors) - I/O Armor - Matte Black PCB - High Density Glass Fabric PCB - 2oz Copper PCB 2.5G LAN ASRock Steel Slot Gen4 ASRock Full Coverage M.2 Heatsink ASRock Hyper M.2 (PCIe Gen4x4) ASRock POST Status Checker (PSC) ASRock Full Spike Protection (for all USB, Audio, LAN Ports) ASRock Live Update & APP Shop
Bundled Software Software - ASRock Motherboard Utility (A-Tuning) - ASRock Polychrome SYNC* UEFI - ASRock Full HD UEFI - ASRock Instant Flash
Warranty Information
Manufacturing Warranty 03 years
Description

ASRock B550M Steel Legend AMD AM4 Micro-ATX Motherboard

The ASRock B550M Steel Legend AMD AM4 Micro-ATX Motherboard is a powerful and reliable foundation for modern AMD Ryzen PC builds. Designed with durability, performance, and compact efficiency in mind, this motherboard is ideal for gamers, content creators, and PC enthusiasts looking to build a high-performance system in a micro-ATX form factor.

Built on the AMD B550 chipset, the B550M Steel Legend supports AMD Ryzen 3000, 4000 G-Series, and 5000 series processors, delivering excellent compatibility and future-ready performance. With DDR4 memory support, users can enjoy faster speeds, improved multitasking, and smoother gaming experiences. The board’s optimized power delivery and premium components ensure stable operation even under heavy workloads.

One of the standout features of the ASRock B550M Steel Legend is PCIe 4.0 support, allowing for ultra-fast data transfer speeds when paired with compatible Ryzen CPUs. This enables next-generation graphics cards and high-speed NVMe SSDs to perform at their full potential, reducing load times and improving overall system responsiveness.

The motherboard’s Steel Legend design emphasizes durability, featuring reinforced slots, high-quality capacitors, and an enhanced PCB for long-term reliability. Its advanced thermal solution helps maintain optimal temperatures, ensuring consistent performance during extended gaming or productivity sessions.

With multiple USB ports, M.2 slots, and flexible expansion options, the ASRock B550M Steel Legend offers excellent connectivity for modern peripherals and storage devices. If you’re looking for a compact, feature-rich AMD AM4 motherboard that delivers strong performance, durability, and value, the ASRock B550M Steel Legend is an outstanding choice for your next PC build.

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Tags: ASRock B550M Steel Legend , B550 motherboard , AMD AM4 motherboard , micro ATX motherboard , DDR4 motherboard , PCIe 4.0 motherboard , Ryzen motherboard , Steel Legend