ASRock B850M Steel Legend WiFi AM5 Micro-ATX AMD B850 4xDIMM DDR5 3xM.2 USB 3.2 2.5Gb LAN Wi-Fi 7+BT White Motherboard
SKU: B850M STEEL LEGEND WIFI
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Product Description
Engineered to deliver exceptional durability in a space-saving footprint, this Micro ATX motherboard is built on a heavy-duty copper PCB paired with a robust 12+2+1 power phase delivery subsystem utilizing long-lasting conductive polymer capacitors. It features modern high-speed infrastructure including native implementation for next-generation graphics cards and solid-state storage layout. Outfitted with a flexible integrated I/O shield, isolated high-definition audio routing, and hardware-level troubleshooting utilities, it provides an unwavering foundation for high-performance and compact desktop systems.
Key Features:
- Robust Power Subsystem & Small Footprint: Compact Micro ATX design paired with a 12+2+1 power phase layout and enlarged heatsink armor to guarantee absolute electrical stability under sustained system loads.
- Next-Generation Wireless & Wired Network: Integrates cutting-edge high-bandwidth wireless capabilities along with a 2.5 Gb/s high-speed wired network controller featuring automated bandwidth prioritization.
- High-Speed Flash Storage Topography: Provides three dedicated solid-state expansion sockets, including a primary connection layout engineered to achieve extreme data transfer speeds up to 128 GB/s.
- Hardware-Level Troubleshooting: Features a physical rear-mounted button for hardware-free firmware flashing alongside an integrated visual checker to instantly identify post sequence anomalies.
- Isolated High-Definition Audio: Premium 7.1-channel sound design featuring an elite codec with impedance sensing and independent PCB layering for right/left signal channels to reduce cross-talk.
Product Specifications:
| Specification Item | Details |
|---|---|
| Form Factor | Micro ATX Form Factor (9.6-in x 9.6-in / 24.4 cm x 24.4 cm) |
| PCB Architecture | 2oz Copper PCB |
| CPU Support | Supports AMD Socket AM5 Ryzen™ 9000, 8000 and 7000 Series Processors |
| Chipset | AMD B850 |
| Memory Technology | Dual Channel DDR5 Memory Technology |
| Memory Slots | 4 x DDR5 DIMM Slots |
| Maximum Memory Capacity | 256GB |
| Memory Speed & Type | Supports DDR5 ECC/non-ECC, un-buffered memory up to 8000+(OC) MHz |
| Memory Profiles | Supports Extreme Memory Profile (XMP) and EXTended Profiles for Overclocking (EXPO) |
| BIOS | 256Mb AMI UEFI Legal BIOS with GUI support |
| Integrated Graphics | Integrated AMD RDNA™ graphics (Processor dependent); 1 x HDMI 2.1 (supports HDR, HDCP 2.3 up to 4K 120Hz), 1 x DisplayPort 1.4 with DSC (supports HDCP 2.3 up to 4K 120Hz) |
| Audio Subsystem | 7.1 CH HD Audio with Content Protection (Realtek ALC1220 Audio Codec); Impedance sensing on rear out port with isolated independent PCB audio layers |
| Wired LAN | 2.5 Gigabit LAN 10/100/1000/2500 Mb/s (Dragon RTL8125BG) |
| Wireless LAN | 802.11be 2x2 Wi-Fi 7 Module; Supports 2.4GHz/5GHz/6GHz frequency bands; 160MHz channel bandwidth support |
| Bluetooth | Bluetooth 5.4 |
Expansion Slots and Storage Interface:
| Interface Type | Quantities & Technical Specifications |
|---|---|
| Expansion Slots | - 1 x PCIe 5.0 x16 Slot (PCIE1) with 15μ Gold Contact - 1 x PCIe 4.0 x4 Slot (PCIE2) - 1 x Vertical M.2 Socket (Key E) type 2230 occupied by wireless module |
| M.2 Flash Storage | - 1 x Blazing M.2 Socket (M2_1, Key M) type 2280 PCIe Gen5x4 (128 GB/s) - 1 x M.2 Socket (M2_2, Key M) type 2260/2280 PCIe Gen4x2 (32 GB/s) - 1 x Hyper M.2 Socket (M2_3, Key M) type 2260/2280 PCIe Gen4x4 (64 GB/s) |
| SATA Wired Storage | 4 x SATA3 6.0 Gb/s Connectors |
| RAID Array Support | Supports RAID 0, RAID 1 and RAID 10 for both SATA and M.2 NVMe storage devices (RAID 10 NVMe requires additional expansion cards) |
Connectivity & Input/Output Layout:
| Location | Connection Breakdown |
|---|---|
| Internal Headers | - 1 x SPI TPM Header - 1 x Thermistor Cable Header - 1 x RGB LED Header (12V/3A, 36W) - 3 x Addressable LED Headers (5V/3A, 15W) - 2 x CPU Fan Connectors (4-pin) - 3 x Chassis Fan Connectors (4-pin, up to 3A/36W autodetect) - 1 x 24 pin ATX Power Connector - 1 x 8 pin 12V Power Connector - 1 x 4 pin 12V Power Connector - 1 x Front Panel Audio Connector - 1 x Front Panel Type C USB 3.2 Gen1 Header - 2 x USB 3.2 Gen1 Headers (supports 4 ports) - 2 x USB 2.0 Headers (supports 4 ports) |
| Rear Panel Ports | - 2 x Antenna Ports - 1 x HDMI Port - 1 x DisplayPort 1.4 - 1 x USB 3.2 Gen2 Type-C Port (10 Gb/s) - 1 x USB 3.2 Gen2 Type-A Port (10 Gb/s) - 2 x USB 3.2 Gen1 Ports - 4 x USB 2.0 Ports - 1 x RJ-45 LAN Port - 1 x BIOS Flashback Button - HD Audio Jacks: Line in / Front Speaker / Microphone |
In accordance with Quebec's Bill 29, our company and its affiliated partners expressly declare that we cannot guarantee the availability of spare parts, repair services, or the necessary information for the maintenance or repair of our products. For any questions regarding availability, please consult the manufacturer's website(s) directly. Learn more