ASRock B850M Steel Legend Wifi micro-ATX AM5 DDR5 AMD B850 Chipset Motherboard
✨ Build a powerful and reliable PC with the ASRock B850M Steel Legend WiFi motherboard, featuring the AMD B850 chipset, AM5 socket, DDR5 memory support, PCIe Gen5 connectivity, and built-in Wi-Fi 7. Designed for performance, durability, and ultrafast connectivity, it is an excellent choice for modern PC builds.
Key Features & Highlights
Next-Generation Performance
🚀 Supports AMD Ryzen™ 9000, 8000, and 7000 Series processors with AM5 socket.
🚀 AMD B850 chipset for modern PC configurations.
🚀 PCIe 5.0 x16 graphics slot and PCIe Gen5 M.2 SSD support.
🚀 Dual-channel DDR5 memory technology.
Advanced Memory Support
🧠 4 x DDR5 DIMM slots.
🧠 Supports up to 256GB system memory.
🧠 Supports DDR5 ECC/non-ECC unbuffered memory up to 8000+ MT/s (OC).
🧠 Supports AMD EXPO™ and Intel XMP memory profiles.
Rock-Solid Durability
🛡️ 12+2+1 power phase design with Dr.MOS.
🛡️ Enlarged heatsink armor for power delivery components.
🛡️ 20K long-lasting black capacitors.
🛡️ Flexible integrated I/O shield.
🛡️ 2oz copper PCB.
Ultrafast Connectivity
📶 Built-in Wi-Fi 7 (802.11be) wireless module.
📶 Bluetooth 5.4 support.
📶 2.5 Gigabit LAN for high-speed wired networking.
📶 Supports 2.4GHz, 5GHz, and 6GHz Wi-Fi bands, subject to regional availability.
📶 Supports MU-MIMO.
Storage Expansion
💾 3 x M.2 sockets:
💾 1 x PCIe Gen5 x4 M.2 socket.
💾 1 x PCIe Gen4 x2 M.2 socket.
💾 1 x PCIe Gen4 x4 M.2 socket.
💾 4 x SATA3 6Gb/s connectors.
💾 Supports RAID 0, RAID 1, and RAID 10 for SATA and M.2 NVMe storage, with additional M.2 NVMe expansion cards required for RAID 10.
Display & Audio
🖥️ 1 x HDMI 2.1 port supporting up to 4K at 120Hz.
🖥️ 1 x DisplayPort 1.4 with DSC, supporting up to 4K at 120Hz.
🖥️ 7.1-channel HD audio powered by Realtek ALC1220 codec.
🖥️ Nahimic Audio support.
USB Connectivity
🔌 1 x rear USB 3.2 Gen2 Type-C port (10Gb/s).
🔌 1 x rear USB 3.2 Gen2 Type-A port (10Gb/s).
🔌 Multiple USB 3.2 Gen1 and USB 2.0 ports.
🔌 Front-panel USB Type-C header support.
Customization & Cooling
🌈 ASRock Polychrome SYNC support.
🌈 1 x RGB LED header and 3 x addressable LED headers.
🌈 2 x CPU fan connectors and 3 x chassis fan connectors.
🌈 Smart fan speed control.
Convenient Features
🛠️ BIOS Flashback button for convenient BIOS updating.
🛠️ ASRock Auto Driver Installer.
🛠️ ASRock Post Status Checker for troubleshooting.
🛠️ ASRock A-Tuning and Dragon 2.5G LAN software.
Product Specifications
📐 Brand: ASRock
📐 Model: B850M Steel Legend WiFi
📐 Product Type: Micro-ATX Motherboard
📐 CPU Socket: AMD AM5
📐 Chipset: AMD B850
📐 Memory Type: DDR5
📐 Memory Slots: 4 x DIMM
📐 Maximum Memory Capacity: 256GB
📐 Expansion Slots: 1 x PCIe 5.0 x16, 1 x PCIe 4.0 x4
📐 M.2 Slots: 3
📐 SATA Connectors: 4 x SATA3 6Gb/s
📐 Networking: 2.5GbE LAN, Wi-Fi 7, Bluetooth 5.4
📐 Audio: Realtek ALC1220, 7.1-channel HD Audio
📐 Form Factor: Micro-ATX
📐 Dimensions: 24.4 x 24.4 cm
📐 Operating System Support: Windows 10 64-bit / Windows 11 64-bit
📐 Certifications: FCC, CE
Package Accessories
📦 2 x SATA data cables
📦 2 x ASRock Wi-Fi antennas
📦 1 x thermistor cable
📦 2 x M.2 socket screws
📦 1 x M.2 socket standoff

⚠️ Reminders:
1️⃣ Please record a full unboxing video as proof in case of issues.
2️⃣ Verify the delivery rider’s ID or take a photo with your payment for security.

