Дънна платка ASRock B850 Steel Legend WiFi, B850, AM5, DDR5, PCI-E 5.0 (HDMI), 4x SATA 6Gb/s, 1x Blazing M.2 slot, 3x Hyper M.2 slots, 2x USB 3.2 Gen 2 Type-C, 2.5GbE LAN, Wi-Fi 7, Bluetooth 5.4, ATX

ASRock B850 Steel Legend WiFi
90-MXBQS-A0UAYZ

CPU
- Supports AMD Socket AM5 Ryzen 9000, 8000 and 7000 Series Processors*
* The availability of expansion slots may vary by CPU.

Chipset
- AMD B850

Memory
- Dual Channel DDR5 Memory Technology
- 4x DDR5 DIMM Slots
- Supports DDR5 ECC/non-ECC, un-buffered memory up to 8000+(OC)
- Max. capacity of system memory: 256GB
- Supports Extreme Memory Profile (XMP) and EXTended Profiles for Overclocking (EXPO) memory modules

BIOS
- 256Mb AMI UEFI Legal BIOS with GUI support

Graphics
Integrated AMD RDNA graphics (Actual support may vary by CPU)
- 1x HDMI 2.1 TMDS/FRL 8G Compatible, supports HDR, HDCP 2.3 and max. resolution up to 4K 120Hz

Audio
- 7.1 CH HD Audio with Content Protection (Realtek ALC4082 Audio Codec)
- Individual PCB Layers for R/L Audio Channel
- Direct Drive Technology on Front headphone port (Supports up to 600 Ohm headsets)
- Nahimic Audio

LAN
- 2.5 Gigabit LAN 10/100/1000/2500 Mb/s
- Dragon RTL8125BG
- Supports Dragon 2.5G LAN Software
- Smart Auto Adjust Bandwidth Control
- Visual User Friendly UI
- Visual Network Usage Statistics
- Optimized Default Setting for Game, Browser, and Streaming Modes
- User Customized Priority Control

Wireless LAN
- 802.11be 2x2 Wi-Fi 7 Module
- Supports IEEE 802.11a/b/g/n/ac/ax/axe/be
- Supports 2.4GHz/5GHz/6GHz* frequency band
- Supports 160MHz channel bandwidth with 6GHz* frequency band
- 1 antenna to support 2 (Transmit) x 2 (Receive) diversity technology
- Supports Bluetooth 5.4
- Supports MU-MIMO

*The 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.

Slots
CPU:
- 1x PCIe 5.0 x16 Slot (PCIE1), supports x16 mode*
Chipset:
- 1x PCIe 4.0 x16 Slot (PCIE2), supports x4 mode*
- 1x Vertical M.2 Socket (Key E), supports type 2230 WiFi/BT PCIe WiFi module
- 15μ Gold Contact in VGA PCIe Slot (PCIE1)

* PCIE1 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.
If M2_4 is occupied, PCIE2 will be disabled.
Supports NVMe SSD as boot disks

Storage
CPU:
- 1x Blazing M.2 Socket (M2_1, Key M), supports type 2280 PCIe Gen5x4 (128 Gb/s) mode*
- 1x Hyper M.2 Socket (M2_2, Key M), supports type 2260/2280 PCIe Gen4x4 (64 Gb/s) mode*
Chipset:
- 1x Hyper M.2 Socket (M2_3, Key M), supports type 2230/2260/2280 PCIe Gen4x4 (64 Gb/s) mode*
- 1x Hyper M.2 Socket (M2_4, Key M), supports type 2260/2280 PCIe Gen4x4 (64 Gb/s) mode*
ASMedia ASM1061:
- 4 x SATA3 6.0 Gb/s Connectors

* Supports NVMe SSD as boot disks
M2_1 is the first priority for M.2 installation.
M2_1 will run at Gen5x4 with 9000 and 7000 series processors and Gen4x4 with 8000 (Phoenix 1 and Phoenix 2) series processors.
M2_2 will run at Gen4x4 with 9000 and 7000 series processors, Gen4x4 with 8000 (Phoenix 1) series processors and Gen4x2 with 8000 (Phoenix 2) series processors.
If M2_4 is occupied, PCIE2 will be disabled.

RAID
- Supports RAID 0, RAID 1 and RAID 10 for M.2 NVMe storage devices

USB
CPU:
- 2x USB 3.2 Gen2 Type-C (Rear)
- 1x USB 3.2 Gen2 Type-A (Rear (USB32_3))
- 1x USB 3.2 Gen1 Type-A (Rear (USB32_1)) Chipset:
- 1x USB 3.2 Gen2x2 Type-C (Front)
- 1x USB 3.2 Gen2 Type-A (Rear (USB32_4))
- 6x USB 3.2 Gen1 Type-A (2 Rear (USB32_2 and USB32_5), 4 Front)
- 8x USB 2.0 (4 Rear, 4 Front)
* All USB ports support ESD Protection

Connector
- 1x SPI TPM Header
- 1x Thermistor Cable Header
- 1x Power LED and Speaker Header
- 1x RGB LED Header*
- 3x Addressable LED Headers**
- 2x CPU Fan Connectors (4-pin) (Smart Fan Speed Control)***
- 3x Chassis Fan Connectors (4-pin) (Smart Fan Speed Control)***
- 1x AIO Pump Fan Connector (4-pin) (Smart Fan Speed Control)***
- 1x 24 pin ATX Power Connector (Hi-Density Power Connector)
- 2x 8 pin 12V Power Connectors (Hi-Density Power Connector)
- 1x Front Panel Audio Connector
- 2x USB 2.0 Headers (Support 4 USB 2.0 ports)
- 2x USB 3.2 Gen1 Headers (Support 4 USB 3.2 Gen1 ports)
- 1x Front Panel Type C USB 3.2 Gen2x2 Header (20 Gb/s)

* Supports in total up to 12V/3A, 36W LED Strip
** Support in total up to 5V/3A, 15W LED Strip
*** CPU_FAN1 supports the fan power up to 1A (12W).
CPU_FAN2, CHA_FAN1~3 and AIO_PUMP support the fan power up to 3A (36W).
CPU_FAN2, CHA_FAN1~3 and AIO_PUMP can auto detect if 3-pin or 4-pin fan is in use.

Rear Panel I/O
- 2x Antenna Ports
- 1x HDMI Port
- 1x Optical SPDIF Out Port
- 2x USB 3.2 Gen2 Type-C Ports (10 Gb/s)
- 3x USB 3.2 Gen1 Type-A Ports*
- 2x USB 3.2 Gen2 Type-A Ports (10 Gb/s)**
- 4x USB 2.0 Ports
- 1x RJ-45 LAN Port
- 1x BIOS Flashback Button
- 1x Line Out Jack (Gold Audio Jack)
- 1x Microphone Input Jack (Gold Audio Jack)

* USB32_12 are Lightning Gaming Ports.
** USB32_34 supports Ultra USB Power.

Software and UEFI
Software
- ASRock Motherboard Utility (A-Tuning)
- ASRock Dragon 2.5G LAN Software
- ASRock Polychrome SYNC

UEFI
- ASRock EZ Mode
- ASRock Full HD UEFI
- ASRock Auto Driver Installer
- ASRock Instant Flash

Form Factor
- ATX Form Factor: 30.5 cm x 24.4 cm
- 8 Layer PCB

OS
- Microsoft Windows 10 64-bit / 11 64-bit

Certifications
- FCC, CE
- ErP/EuP ready (ErP/EuP ready power supply is required)

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