ASROCK B850M Challenger WIFI WHITE

Rock Series brings reliable performance and solid quality in a clean, modern design—ready for work, study, and gaming with practical, well-balanced features.

• Supports AMD Socket AM5 Ryzen™ 9000, 8000 and 7000 Series Processors
• 9+2+1 Power Phase, Dr.MOS for VCore+SOC+MISC
• 4 x DDR5 DIMMs
• Supports Dual Channel, up to 8000+ (OC)
• 1 PCIe 5.0 x16, 1 PCIe 4.0 x16, 2 PCIe 4.0 x1
• Graphics Output Options: 1 HDMI
• Realtek ALC897 7.1 CH HD Audio Codec
• 1 Blazing M.2 (PCIe Gen5x4)
• 1 Hyper M.2 (PCIe Gen4x4)
• 4 SATA3
• 1 USB 3.2 Gen2 Type-C (Rear)
• 1 USB 3.2 Gen2 (Rear)
• 1 USB 3.2 Gen1 Type-C (Front)
• 6 USB 3.2 Gen1 (2 Rear, 4 Front)
• 8 USB 2.0 (4 Rear, 4 Front)
• Realtek 2.5G LAN
• 802.11be WiFi 7 + Bluetooth

Unique Feature

Superb Productivity- PCIe Gen5 (Graphics, M.2)- Dual Channel DDR5Rock-Solid Durability- 9+2+1 Power Phase, Dr.MOS for VCore+SOC+MISC- Pre-Installed I/O ShieldUltrafast Connectivity- 2.5G LAN, 802.11be Wi-Fi 7 ModuleEZ Update- BIOS Flashback Button- ASRock Auto Driver InstallerEZ Troubleshooter- ASRock Post Status Checker

CPU

- Supports AMD Socket AM5 Ryzen™ 9000, 8000 and 7000 Series ProcessorsThe availability of expansion slots may vary by CPU. Please refer to PCIe/M.2 Bandwidth Table for details.

Chipset

- AMD B850

Memory

- Dual Channel DDR5 Memory Technology- 4 x DDR5 DIMM Expansion 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 modulesPlease refer to Memory Support List on ASRock's website for more information.

BIOS

- 512Mb AMI UEFI Legal BIOS with GUI support

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 120Hz

Audio

- 7.1 CH HD Audio (Realtek ALC897 Audio Codec)

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 Communication module

- 802.11be 2x2 Wi-Fi 7 Module- Supports IEEE 802.11a/b/g/n/ac/ax/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.

Expansion Slots

CPU:- 1 x PCIe 5.0 x16 Slot (PCIE1), supports x16 mode*- 1 x PCIe 4.0 x16 Slot (PCIE4), supports x4 mode*Chipset:- 2 x PCIe 4.0 x1 Expansion Slots (PCIE2 and PCIE3)*- 1 x M.2 Socket (Key E), supports type 2230 WiFi/BT PCIe WiFi module* 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.PCIE4 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.Supports NVMe SSD as boot disks

Storage

CPU:- 1 x Blazing M.2 Socket (M2_1, Key M), supports type 2280 PCIe Gen5x4 (128 Gb/s) mode*Chipset:- 1 x Hyper M.2 Socket (M2_2, Key M), supports type 2280 PCIe Gen4x4 (64 Gb/s) mode*- 4 x SATA3 6.0 Gb/s Internal I/O Connectorss* Supports NVMe SSD as boot disksM2_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.

RAID

- Supports RAID 0, RAID 1 and RAID 10 for SATA storage devices- Supports RAID 0, RAID 1 and RAID 10 for M.2 NVMe storage devices Requires additional M.2 NVMe expansion cards to support RAID 10

USB

CPU:- 1 x USB 3.2 Gen2 Type-C (Rear)- 1 x USB 3.2 Gen2 Type-A (Rear)- 1 x USB 3.2 Gen1 Type-A (Rear (USB32_1))Chipset:- 1 x USB 3.2 Gen1 Type-C (Front)- 5 x USB 3.2 Gen1 Type-A (1 Rear (USB32_2), 4 Front)- 8 x USB 2.0 (4 Rear, 4 Front)* All USB ports support ESD Protection

Internal I/O Connectors

- 1 x SPI TPM Header- 1 x Power LED and Speaker Header- 1 x RGB LED Header*- 3 x Addressable LED Headers- 2 x CPU Fan Internal I/O Connectorss (4-pin) (Smart Fan Speed Control)- 3 x Chassis Fan Internal I/O Connectorss (4-pin) (Smart Fan Speed Control)- 1 x AIO Pump Fan Internal I/O Connectors (4-pin) (Smart Fan Speed Control)- 1 x 24 pin ATX Power Internal I/O Connectors- 2 x 8 pin 12V Power Internal I/O Connectorss (Hi-Density Power Internal I/O Connectors)- 1 x Front Panel Audio Internal I/O Connectors- 2 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 Header* 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.

Back Panel I/O Ports

- 2 x Antenna Ports- 1 x HDMI Port- 1 x USB 3.2 Gen2 Type-A Port (10 Gb/s)- 1 x USB 3.2 Gen2 Type-C 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

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*These utilities can be downloaded from ASRock Live Update & APP Shop.

Accessories

- 2 x SATA Data Cables- 2 x ASRock WiFi 2.4/5/6 GHz Antennas

Form Factor

- ATX Form Factor: 12.0-in x 9.6-in, 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)