About this item
- Supports AMD AM4 Socket Ryzen™ 3000, 4000 G-Series and 5000 Series Desktop Processors
- 10 Power Phase Design, Dr. MOS
- Supports DDR4 4733+ (OC)
- 1 PCIe 4.0 x16, 1 PCIe 3.0 x16, 1 PCIe 3.0 x1, 1 M.2 Key E for WiFi
- Graphics Output Options: HDMI, DisplayPort
- AMD CrossFireX™ Motherboard
- 7.1 CH HD Audio (Realtek ALC1200 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+C), 8 USB 3.2 Gen1 (4 Front, 4 Rear)
- Dragon 2.5G LAN
Technical Details
| Brand | ASRock |
| Model ID | B550M Steel Legend |
| Part Number | 90-MXBCU0-A01AY2Z |
| Essentials | |
| Form Factor | Micro-ATX |
| Socket Type | AM4 |
| Chipset | AMD B550 |
| Chipset Manufacturer | AMD |
| Memory | |
| Memory Configuration | 128GB GB DDR4 Dual Channel 4 DDR4 DIMM |
| ECC Support | Non-ECC |
| Buffered Memory | No |
| Storage | |
| SATA 6 Gb/s | 6 |
| RAID Configurations | 0, 1, 10 |
| Graphics | |
| Integrated Graphics card | NA |
| Audio | |
| Audio Codec | Realtek Audio ALC1200 |
| Audio Channels | 7.1 |
| Audio Features | PCB Isolate Shielding, Gold Audio Jack, Nahimic Audio, Premium Blu- ray Audio Support |
| Connectivity | |
| Ethernet Card | 10/100/1000/2500 Mb/s LAN |
| Wireless and Bluetooth | Realtek RTL8111H (802.3az) |
| Expansion Slots | |
| PCI Slots | 4 |
| PCIe x1 Slots, Generation | 1 |
| PCIe x16 Slots, Generation | 2 |
| Internal I/o Headers | |
| USB 2.0 Headers | 2 |
| USB 3.0 Headers | 10 |
| ATX Power Connectors | 1 (24 Pin ATX Power Connectors) |
| Fan Headers | 1 (Processor Fan Headers), 1 (System Fan Headers) |
| VGA/Dsub Connectors | 1 |
| Back Panel Ports | |
| USB 2.0 Ports, Controller | 2 |
| HDMI Ports | 1 |
| VGA/D Sub Ports | 1 |
| Audio I/O Channels | 1 |
| RJ-45 Ethernet Jacks | 1 |
| PS/2 | 1 |
| General Features | |
| Hardware Monitoring | Temperature Sensing, Fan Tachometer, Voltage Detection, Fan Multi Speed Control |
| Support CDs | Drivers, Utilities, Antivirus Software, Google Chrome Browser and Toolbar |
| OS Support | Windows 10 64-bit, Windows 11 64-bit |
| Advanced Features | 10 Power Phase Design, Dr. MOS, AMD 3 Way Cross FireX, Premium Memory Alloy Choke, Steel Slot Gen4 |
| Dimensions | |
| Dimensions | 305 x 71 x 292 mm |
| Weight | 1000 g |
| In The Box | |
| Sales Package | 1 Motherboard, Quick Installation Guide, Support CD, I/O Shield, 2 Screw for M.2 Socket, 2 SATA Data Cables |
| Warranty | |
| Warranty | 2 Years |
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