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ASROCK B850I Lightning WiFi

ASROCK B850I Lightning WiFi - Motherboard - Main image
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ASROCK B850I Lightning WiFi

The ASRock B850I Lightning WiFi motherboard in Mini-ITX format is designed for powerful compact builds using AMD Ryzen 9000, 8000, and 7000 series processors. With its AMD B850 chipset and 8-layer PCB, it provides a stable platform for both gaming and demanding work. The board is equipped with modern technologies to boost hardware performance, including support for the latest PCIe 5.0 standards and high-speed memory, all while maintaining a small form factor for installation in space-constrained cases. 

Chipset

AMD B850

Chipset
Socket

AMD AM5

Socket
Format

mITX (Mini ITX)

Form factor 
Memory type

DDR5

Memory type
RAM slots

2×

Number of RAM slots

Key features of the ASROCK B850I Lightning WiFi motherboard

  • Support for AMD Ryzen 9000, 8000, and 7000 series processors for the AM5 socket
  • Robust 10+1+1 phase power design with 110A SPS Dr.MOS technology for stable performance
  • Two DDR5 memory slots with speeds up to 8200+ MHz and support for EXPO/XMP profiles
  • PCIe 5.0 x16 interface with a reinforced steel slot and a Blazing M.2 PCIe Gen5x4 connector
  • Network connectivity including Killer 2.5Gbps LAN and a Wi-Fi 6E wireless module with Bluetooth
  • 7.1-channel HD audio with a Realtek ALC1220 codec and a USB-C port with DisplayPort Alt Mode support
ASROCK B850I Lightning WiFi motherboard

Power and system support

To ensure processor stability, the board uses a robust 10+1+1 phase power design with 110A Smart Power Stage technology, cooled by an optimised aluminium heatsink. The two DIMM memory slots support DDR5 modules with a maximum capacity of 128GB and allow overclocking up to 8200MHz. The board supports AMD EXPO and Intel XMP profiles for easy memory setup. Graphics cards use a reinforced steel PCIe 5.0 x16 slot, which ensures signal integrity even with heavy cards. For storage, there is a Blazing M.2 (PCIe Gen5x4) slot with a transfer speed of up to 128Gb/s and a Hyper M.2 (PCIe Gen4x4) slot. 

ASROCK B850I Lightning WiFi motherboard

Connectivity and gaming features

Professional-level network communication is handled by a Killer 2.5Gbps LAN controller along with a Wi-Fi 6E wireless module, which supports the 6GHz band and Bluetooth 5.2. The rear I/O panel offers dedicated Lightning Gaming Ports, designed for connecting a mouse and keyboard with minimal latency and signal jitter. Audio output is provided by a 7.1-channel Realtek ALC1220 codec enhanced with Nahimic Audio technology for detailed surround sound. The connector selection includes a versatile USB-C 3.2 Gen2 port with video transfer support (DP-Alt Mode) and high-speed USB-A ports. The lighting system can be synchronised using ASRock Polychrome SYNC. 

ASROCK B850I Lightning WiFi motherboard
ASROCK B850I Lightning WiFi motherboard

Port selection

Storage

  • SATA III count: 2
  • M.2 count: 2
  • M.2 Slot 1 - M.2 PCI-E NVMe Gen5
  • M.2 Slot 2 - M.2 PCI-E NVMe Gen4
  • Features: RAID 0, RAID 1, RAID 10

USB ports

  • Internal USB 2.0: 4
  • Internal USB 3.2 Gen 1: 4
  • Internal USB-C 3.2 Gen 2x2: 1
  • Rear USB 3.2 Gen 1: 1
  • Rear USB-C 3.2 Gen 2: 1

Graphics

  • 󠀠HDMI 2.1
  • Graphics outputs: HDMI, Thunderbolt

Audio

  • Channel count: 7.1
  • Rear connectors: 2× 3.5mm, Optical S/PDIF
  • Internal connectors: S/PDIF

Other

  • Rear: BIOS switch, CMOS Clear, Wi-Fi antenna
  • Power: 24pin, 2× 8pin
  • Cooling: PWM FAN count (4-pin) - 6 , Water pump - 4-pin
  • Internal: Chassis intrusion sensor, RGB LED (4-pin), Temperature sensors
info

Choosing a motherboard

When choosing a motherboard (also known as a mainboard), it's important to pay close attention to the socket type, form factor, and chipset. These are the most crucial parameters, ensuring the board is compatible with the processor, expansion cards, and other components. The specific socket determines which processor you can choose, while the other connectors will dictate which additional components you need for your future computer.

Specifications

Socket and chipset

Socket AMD AM5
Chipset AMD B850

Format & functions

Motherboard form factor mITX (Mini ITX)
Basic functions Bluetooth, Integrated network card, Integrated sound card, PCI Express 5.0, For CPU with integrated GPU, Wi-Fi

Memory

Memory type DDR5
Number of RAM slots 2 ×
Max. frequency (OC) 8,200 MHz
Design DIMM
Connection Mode dual-channel

Advanced parameters

Sound card type Realtek ALC1220
Number of sound card channels 7.1

Connectors

External Jack, RJ-45 (LAN) 2.5Gbps, S/PDIF, USB 2.0, USB 3.2 Gen 1, USB 3.2 Gen 2, USB-C 3.2 Gen 2, HDMI 2.1
Internal USB 2.0 header, USB 3.2 Gen 1 header, USB-C 3.2 Gen 1 header, M.2 PCIe 5.0, PCIe 5.0 x16, Serial ATA III
PCI express x16 1×
USB 2.0 4×
USB 3.2 Gen 1 (USB 3.0) 1×
USB 3.1 (3.1 gen2) 3×
M.2 slots 2×
Serial ATA III 2×

Compatibility

Compatible processor generation 7th generation Ryzen, 8th generation Ryzen, 9th generation Ryzen

Colour

Colour Black
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Code:  ASb850i1
Warranty: 36 months
Links: Producer's Website:

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