ASRock B850I Lightning WiFi

Lightning series stands as a symbol of both speed and power. The design employs linear and angular elements, evoking the imagery of lightning – a spectacle of raw energy and breathtaking speed.

Unique Feature

Superb Productivity
- PCIe Gen5 (Graphics, M.2)
- Dual Channel DDR5
Rock-Solid Durability
- 10+1+1 Power Phase, 110A SPS for VCore with Enlarged Heatsink Armor
- Flexible Integrated I/O Shield
Ultrafast Gaming
- Killer 2.5G LAN, 802.11axe Wi-Fi 6E Module
- ASRock Lightning Gaming Ports
EZ Update
- BIOS Flashback Button
- ASRock Auto Driver Installer

CPU

- Supports AMD Socket AM5 Ryzen™ 9000, 8000 and 7000 Series Processors*
* The 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
- 2 x DDR5 DIMM Slots
- Supports DDR5 ECC/non-ECC, un-buffered memory up to 8200+(OC)*
- Max. capacity of system memory: 128GB*
- Supports Extreme Memory Profile (XMP) and EXTended Profiles for Overclocking (EXPO) memory modules*
*Due to the operating system limitation, the actual memory size may be less than 4GB for the reservation for system usage under Windows 32-bit OS. For Windows 64-bit OS with 64-bit CPU, there is no such limitation.

BIOS

- 256Mb 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
- 1 x USB 3.2 Gen2 Type-C, supports DP 1.4 HBR3 and max. resolution up to 4K 60Hz (DP-alt mode supports DP1.4a)

Audio

- 7.1 CH HD Audio with Content Protection (Realtek ALC1220 Audio Codec)
- Impedance Sensing on Rear Out port
- Individual PCB Layers for R/L Audio Channel
- Nahimic Audio

LAN

- 2.5 Gigabit LAN 10/100/1000/2500 Mb/s
- Killer E3100G
- Supports Killer LAN Software

Wireless LAN

- 802.11axe Wi-Fi 6E Module
- Supports IEEE 802.11a/b/g/n/ac/ax/axe
- Supports Dual-Band 2x2 with extended 6GHz band* support
- 2 antennas to support 2 (Transmit) x 2 (Receive) diversity technology
- Supports Bluetooth 5.2
- Supports MU-MIMO
*The Wi-Fi 6E 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.
A 6GHz compatible router is required for 6E functionality.

Slots

CPU:
- 1 x PCIe 5.0 x16 Slot (PCIE1), supports x16 mode*
Chipset:
- 1 x Vertical 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.
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*
- 2 x SATA3 6.0 Gb/s Connectors
* 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.
Supports NVMe SSD as boot disks

RAID

- Supports RAID 0 and RAID 1 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)
- 2 x USB 3.2 Gen2 Type-A (Rear) Chipset:
- 1 x USB 3.2 Gen1 Type-C (Front)
- 3 x USB 3.2 Gen1 Type-A (1 Rear, 2 Front)
- 6 x USB 2.0 (4 Rear, 2 Front)
* All USB ports support ESD Protection

Connector

- 1 x Thermistor Cable Header
- 2 x Addressable LED Headers*
- 1 x CPU Fan Connector (4-pin) (Smart Fan Speed Control)**
- 1 x Chassis Fan Connector (4-pin) (Smart Fan Speed Control)**
- 1 x AIO Pump Fan Connector (4-pin) (Smart Fan Speed Control)**
- 1 x 24 pin ATX Power Connector
- 1 x 8 pin 12V Power Connector (Hi-Density Power Connector)
- 1 x Front Panel Audio Connector
- 1 x USB 2.0 Header (Supports 2 USB 2.0 ports)
- 1 x USB 3.2 Gen1 Header (Supports 2 USB 3.2 Gen1 ports)
- 1 x Front Panel Type C USB 3.2 Gen1 Header
* Support in total up to 5V/3A, 15W LED Strip
** CPU_FAN1, CHA_FAN1 and AIO_PUMP support the fan power up to 3A (36W).
CPU_FAN1, CHA_FAN1 and AIO_PUMP can auto detect if 3-pin or 4-pin fan is in use.

Rear Panel I/O

- 2 x Antenna Ports
- 1 x HDMI Port
- 1 x Optical SPDIF Out Port
- 2 x USB 3.2 Gen2 Type-A Ports (10 Gb/s)*
- 1 x USB 3.2 Gen2 Type-C Port (10 Gb/s) (DP-alt mode supports DP1.4a.)**
- 1 x USB 3.2 Gen1 Port*
- 4 x USB 2.0 Ports
- 1 x RJ-45 LAN Port
- 1 x BIOS Flashback Button
- 1 x Line Out Jack (Gold Audio Jack)
- 1 x Microphone Input Jack (Gold Audio Jack)
* USB32_23 are Lightning Gaming Ports.
** USB32_TC1 supports a maximum speed of 40 Gb/s with selected processors. DP-alt mode supports DP1.4a.

Software and UEFI

Software
- ASRock Motherboard Utility (Phantom Gaming Tuning)
- Killer Control Center
- 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
- 2 x Screws for M.2 Sockets
- 1 x Thermistor Cable

Form Factor

- Mini-ITX Form Factor: 6.7-in x 6.7-in, 17.0 cm x 17.0 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)