Description
ASRock B850M Steel Legend WiFi AMD AM5 Motherboard | Micro-ATX | 4x DDR5 | 3x M.2 | Wi-Fi 7
12+2+1 Power Phase Design: VCore with Dr.MOS design, delivering smoother and neater power to the CPU. Lite Release Design: Equipped with an enlarged latch for easy pressing, simplifying both the installation and removal of graphics cards. M.2 Bottom Heatsink: Dissipate heat efficiently through the motherboard PCB, maximize performance while maintaining system stability. Wi-Fi 7 802.11be: Latest WiFi 7 technology delivers extreme wireless internet speeds and low latency. Certifications: FCC, CEErP/EuP ready (ErP/EuP ready power supply is required)
Specs
Processor
| Chipset | AMD B850 |
| Memory | Dual Channel DDR5 Memory Technology4 x DDR5 DIMM SlotsSupports DDR5 ECC/non-ECC, un-buffered memory up to 8000+(OC)Max. capacity of system memory: 256GBSupports Extreme Memory Profile (XMP) and EXTended Profiles for Overclocking (EXPO) memory modules |
| Expansion Slot | CPU:1 x PCIe 5.0 x16 Slot (PCIE1), supports x16 mode1 x PCIe 4.0 x4 Slot (PCIE2), supports x4 modeChipset:1 x Vertical M.2 Socket (Key E), supports type 2230 WiFi/BT PCIe WiFi modulePCIE1 will run at Gen5x16 with 9000 and 7000 series processors, Gen4x8 with 8000 (Phoenix 1) series processors and Gen4x4 with 8000 (Phoenix 2) series processors.Supports NVMe SSD as boot disks15� Gold Contact in VGA PCIe Slot (PCIE1) |
| Graphics | Integrated AMD RDNA graphics (Actual support may vary by CPU)1 x HDMI 2.1 TMDS/FRL 8G Compatible, supports HDR, HDCP 2.3 and max. resolution up to 4K 120Hz1 x DisplayPort 1.4 with DSC (compressed), supports HDCP 2.3 and max. resolution up to 4K 120Hz |
Chipset & Form Factor
| Platform | Micro ATX Form Factor: 9.6 in x 9.6-in, 24.4 cm x 24.4 cm2oz Copper PCB |
Storage Controllers
| Blazing M.2 (PCIe Gen5x4) | Supports up to 3 x NVMe M.2 SSDs and one of which is able to accommodates the latest PCI Express 5.0 standard. |
| Blazing M.2 [PCIe Gen5x4] + Multi-Layer Heatsink | Supports PCIe 5.0 M.2 SSD with a breathtaking 128Gbps transfer rate. |
| Connector | 1 x SPI TPM Header1 x Thermistor Cable Header1 x Power LED and Speaker Header1 x RGB LED Header3 x Addressable LED Headers2 x CPU Fan Connectors (4-pin) (Smart Fan Speed Control)3 x Chassis 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 Connector2 x USB 2.0 Headers (Support 4 USB 2.0 ports)2 x USB 3.2 Gen1 Headers (Support 4 USB 3.2 Gen1 ports)1 x Front Panel Type C USB 3.2 Gen1 HeaderSupports in total up to 12V/3A, 36W LED StripSupport in total up to 5V/3A, 15W LED StripCPU_FAN1 supports the fan power up to 1A (12W).CPU_FAN2 and CHA_FAN1~3 support the fan power up to 3A (36W).CPU_FAN2 and CHA_FAN1~3 can auto detect if 3-pin or 4-pin fan is in use. |
| BIOS Feature | 256Mb AMI UEFI Legal BIOS with GUI support |
| Software and UEFI | SoftwareASRock Motherboard Utility (A-Tuning)ASRock Dragon 2.5G LAN SoftwareASRock Polychrome SYNCUEFIASRock EZ ModeASRock Full HD UEFIASRock Auto Driver InstallerASRock Instant Flash |
| OS | Microsoft Windows 10 64-bit / 11 64-bit |
| Accessories | 2 x SATA Data Cables2 x ASRock WiFi 2.4/5/6 GHz Antennas1 x Thermistor Cable2 x Screws for M.2 Sockets1 x Standoff for M.2 Socket |
Network
| Wireless LAN | 802.11be 2x2 Wi-Fi 7 ModuleSupports IEEE 802.11a/b/g/n/ac/ax/axe/beSupports 2.4GHz/5GHz/6GHz frequency bandSupports 160MHz channel bandwidth with 6GHz frequency bandThe Wi-Fi 7 module is supported by Microsoft Windows 11 only. There is no driver available for Windows 10. The availability of the 6GHz band will depend on the different regulation status of each country and region. It will be activated (for supported countries) through Windows Update and software updates once available.1 x antenna to support x 2 (Transmit) x 2 (Receive) diversity technologySupports Bluetooth 5.4Supports MU-MIMO |
Rear Panel I/O Ports
| Rear Panel I/O | 2 x Antenna Ports1 x HDMI Port1 x DisplayPort 1.41 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 Ports4 x USB 2.0 Ports1 x RJ-45 LAN Port1 x BIOS Flashback ButtonHD Audio Jacks: Line in / Front Speaker / MicrophoneUSB32_23 are Lightning Gaming Ports. |
Other
| Unique Feature | Superb ProductivityPCIe Gen5 (Graphics, M.2)Dual Channel DDR5Rock-Solid Durability12+2+1 Power Phase, Dr.MOS for VCore+SOC+MISC with Enlarged Heatsink ArmorFlexible Integrated I/O Shield20K Long-lasting Black Caps (high quality and conductive polymer capacitors)Ultrafast Connectivity2.5G LAN, 802.11be Wi-Fi 7 ModuleASRock Lightning Gaming PortsEZ UpdateBIOS Flashback ButtonASRock Auto Driver InstallerEZ TroubleshooterASRock Post Status Check |