Description
ModelB550M-STEELLEGEND
Experience robust durability and uncompromised performance with the ASRock B550M Steel Legend AM4 M-ATX Motherboard, designed to meet the demands of modern users, mainstream gamers, and PC enthusiasts. With its stunning aesthetics and military-grade components, the Steel Legend series blends reliability with style, backed by 2oz copper PCB layers and advanced thermal regulation for long-lasting system stability.
The B550M Steel Legend supports AMD Ryzen™ 3000, 4000 G-Series, and 5000 Series processors on the AM4 socket, unlocking incredible performance potential and support for DDR4 memory speeds up to 4733+ MHz (OC). A reinforced PCIe 4.0 x16 slot and multiple high-speed M.2 slots ensure blazing-fast storage and graphics performance. For creators and gamers alike, AMD Smart Access Memory expands data channels between CPU and GPU, minimizing latency and maximizing throughput. Complementing the raw power is Nahimic Audio Technology, delivering immersive 7.1-channel HD sound with spatial sound tracking, perfect for competitive gaming and content consumption.
Built for connectivity and control, this motherboard features dual USB 3.2 Gen2 ports (Type-A and Type-C), high-speed 2.5G Dragon LAN, and Polychrome RGB Sync support, allowing synchronized lighting with compatible RGB components. Whether you’re connecting multiple RGB strips or controlling fan speeds via Smart Fan technology, the B550M Steel Legend gives you full customization over your system. Backed by AMD StoreMI technology, it smartly combines SSD speed with HDD capacity for efficient and seamless storage performance.
FEATURES:
- Supports AMD AM4 Socket Ryzen™ 3000, 3000 G-Series, 4000 G-Series, 5000 and 5000 G-Series Desktop Processors
- Supports DDR4 4733+ (OC)
- 1 x PCIe 4.0 x16, 1 x PCIe 3.0 x16, 1 x PCIe 3.0 x1, 1 x M.2 Key E for Wi-Fi
- Graphics Output Options: HDMI, DisplayPort
- 7.1 CH HD Audio (Realtek ALC1220/ALC1200 Audio Codec), Nahimic Audio
- 6 x SATA3, 1 x Hyper M.2 (PCIe Gen4x4), 1 x M.2 (PCIe Gen3x2 & SATA3)
- 2 x USB 3.2 Gen2 (Rear Type A+C), 8 x USB 3.2 Gen1 (4 Front, 4 Rear)
- Dragon 2.5G LAN
- AMD CrossFireX™ support
SPECIFICATIONS |
|
| Brand | ASRock |
| Series | Steel Legend Series |
| Model | B550M Steel Legend |
| CPU Support | Supports AMD Ryzen 5000 Series, 5000 G-Series, 4000G-Series, and 3000 Series processors |
| NOTE: Windows 11 requires Ryzen 3000 and newer CPUs for feature support. | |
| Chipset | AMD B550 Chipset |
| Memory Support | |
| AMD B550 Chipset | Dual Channel DDR4 Memory Technology |
| 4x DDR4 DIMM Slots | |
| Max. capacity of system memory: 128GB | |
| Supports Extreme Memory Profile (XMP) memory modules | |
| Supports ECC Memory Modules for Ryzen PRO processors | |
| AMD Ryzen series CPUs (Vermeer) | 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) | 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) | 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) | 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) | DDR4 3333 (OC) / 3200(OC) / 2933 / 2667 / 2400 / 2133 non-ECC, un-buffered memory |
| Video | |
| DisplayPort | 1x HDMI 2.1 (TMDS) port, supports a maximum resolution of 4096×2160 @ 60Hz, Support HDCP 2.3 & HDR |
| HDMI | 1x DisplayPort 1.4 (DSC), supports a maximum resolution of 5120×2880 @ 120Hz, Support HDCP 2.3 & HDR |
| Expansion Slots | |
| CPU Direct | 1x PCIe 4.0 x16 Physical, x16 Electrical Slot |
| AMD B550 Chipset | 1x PCIe 3.0 x16 Physical, x4 Electrical Slot |
| 1x PCIe 3.0 x1 Physical slot | |
| Storage | |
| CPU Direct | 1x 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) |
| AMD B550 Chipset | 1x Ultra 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) |
| 6x SATA 6Gb/s connectors | |
| Storage Configurations | Support for SATA RAID 0, RAID 1, RAID 5, and RAID 10, Hotplug |
| M2_2 and SATA3_5_6 share lanes. If either one of them is in use, the other one will be disabled. | |
| NVMe SSD is not supported with AMD Athlon 3000G Processors | |
| Networking | |
| LAN | Realtek Gigabit LAN 10/100/1000Mb/s |
| WiFi | N/A |
| Bluetooth | N/A |
| Audio | |
| Codec | Realtek ALC1220 High-Definition Audio Codec |
| 7.1 CH HD Audio with Content Protection | |
| Premium Blu-ray Audio support | |
| Supports Surge Protection | |
| PCB Isolate Shielding | |
| Individual PCB Layers for R/L Audio Channel | |
| Gold Audio Jacks | |
| Nahimic Audio | |
| Connectivity | |
| Ports | 1x USB 10Gbps Type-C Port |
| 1x USB 10Gbps Type-A Port | |
| 4x USB 5Gbps Type-A Ports | |
| 2x USB 2.0 Type-A Ports | |
| 1x HDMI 2.1 Port (TMDS) | |
| 1x DisplayPort 1.4 Port (DSC) | |
| 5x 3.5mm Audio Jacks (Surround Sound) | |
| 1x Optical S/PDIF Audio Port | |
| 1x PS/2 Combo Port (Keyboard, Mouse) | |
| 1x Realtek 2.5 Gigabit Ethernet RJ-45 LAN Port | |
| Buttons | 1x Clear CMOS Button |
| General | |
| Internal Connectors | 1x SPI TPM Header |
| 1x Power LED and Speaker Header | |
| 2x RGB LED Headers | |
| 2x Addressable LED Headers | |
| 1x CPU Fan Connector (4-pin) | |
| 1x CPU/Water Pump Fan Connector (4-pin) (Smart Fan Speed Control) | |
| 4x Chassis/Water Pump Fan Connectors (4-pin) (Smart Fan Speed Control) | |
| 1x 24 pin ATX Power Connector (Hi-Density Power Connector) | |
| 1x 8 pin 12V Power Connector (Hi-Density Power Connector) | |
| 1x 4 pin 12V Power Connector (Hi-Density Power Connector) | |
| 1x Front Panel Audio Connector | |
| 2x USB 2.0 Headers (Support 4 USB 2.0 ports) (Supports ESD Protection) | |
| 2x USB 3.2 Gen1 Headers (Support 4 USB 3.2 Gen1 ports) (Supports ESD Protection) | |
| I/O Controller | N/A |
| LED Displays | N/A |
| BIOS | 1x 128 Mbit flash |
| Use of licensed AMI UEFI BIOS | |
| Form Factor | Micro-ATX Form Factor, 244 x 244 mm (H x W) |
| Operating System Support | Windows 10 64-bit |
| Windows 11 64-bit (recommended) | |
| Warranty Information | |
| Warranty | 3 Year Warranty |
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