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PHANTOM GAMING
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.
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AMD9000
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  • Performance

    Performance Diagram Performance Diagram

  • Cooling

    Cooling Diagram Cooling Diagram

  • Connectivity

    Connectivity Diagram Connectivity Diagram

FAST
MYSTERIOUS
UNBEATABLE

Phantom Gaming is designed by gamers and for gamers! Underneath its relentless appearance lie plentiful gaming oriented features and excellent gaming capabilities. It’s all about bringing a new gaming experience to gamers!
Performance

Optimized VRM Design

10+1+1 Power Phase Design
Featuring sturdy components and completely smooth power delivery to the CPU. Plus, it offers unmatched overclocking capabilities and enhanced performance with the lowest temperature for advanced gamers as well.
SPS (Smart Power Stage)
Dr.MOS design features the latest SPS (Smart Power Stage) technology. It’s optimized for monitoring current and temperature of each phase, thus delivering smoother and neater power to the CPU with enhanced performance and OC capability.
Hi-Density Power Connector
CPU overclocking requires higher current. ASRock Hi-Density Power Connectors are designed to withstand higher currents compared to traditional CPU and ATX power connectors, providing a more stable system and reducing the risk of fire during heavy overclocking.

8 Layer PCB

The 8 Layer PCB provides stable signal traces and power shapes delivering lower temperature and higher energy efficiency for memory overclocking! Thus, it's able to support the latest memory modules with most extreme memory performance!

DDR5 XMP & EXPO Support

Derived from the “built for stable and reliable” designing concept, ASRock does not compromise on any details. This motherboard is built with high quality materials, enthusiasts are able to enjoy the boost of DDR5 memory overclocking performance by enabling the pre-tested profiles. Make sure the memory modules are Intel® XMP/AMD EXPO™ capable and overclocking can be made so affordable, satisfying and absolutely no sweat at all.

* There are certain risks involved with memory overclocking and may affect your system’s stability. Please realize that overclocking should be done at your own risk and expense. EXPO/XMP profile support may vary by different system configuration, memory modules and motherboard models. Please refer to Memory QVL for the completed support list.

High Speed M.2 Solution

PCIe Gen5 Blazing M.2
The Blazing M.2 accommodates the latest PCI Express 5.0 standard to perform twice the bandwidth compared to previous generation, with a breathtaking 128Gb/s transfer speed, it is ready to unleash the full potential of future ultrafast SSDs.
Cooling

Intelligent Cooling Design

Aluminum Heatsink
The first thing that catches the eye is the optimized Aluminum Heatsink Design. Heatsinks are crucial for efficient heat dissipation, especially during heavy workloads like gaming or productivity tasks. Motherboard that built with heatsinks can effectively manage thermal performance, hence ensure system stability and durability effortlessly.
Connectivity

Wi-Fi 6E 802.11axe

WiFi 6E technology has extended to the whole new 6GHz spectrum band, providing more WiFi capability and giving an even better and faster internet traffic. In addition to deliver higher speeds, the WiFi 6E also enhances the lower latency and supports service levels that are equivalent to 5G networks.

Phantom Gaming 2.5 Gb/s LAN

The intelligent Phantom Gaming 2.5Gb/s LAN platform is built for maximum networking performance for the demanding requirements of home networking, content creators, online gamers and high-quality streaming media. Boost networking performance up to 2.5X the bandwidth compared to the standard gigabit Ethernet, you’ll enjoy the faster and uncompromised connectivity experience for gaming, file transfers and backups.
Automatically detects and accelerates game traffic ahead of other network traffic for smoother, stutter-free in-game performance and the competitive edge.

More than USB Transfer Speed

Lightning Gaming Ports
Aimed for die hard gamers and enthusiasts! Lightning Gaming Ports are sourced from two different controller interfaces that assist gamers in connecting the high speed mice/keyboard with the lower jitter and latency!

Abundant USB

USB Alternate Mode allows USB Type-C ports to provide power, transfer data, and output display signals to DisplayPort monitors through a single cable.
USB Type-C (DP-alt Mode) USB Type-C (DP-alt Mode)

Nahimic Audio

Whether you are using headphones, a headset, external or internal speakers, via USB, Wi-Fi, analog output or even HDMI, Nahimic Audio offers you the most engaging listening experience, vibrant and rich with details.
Audio That Matters Audio That Matters
Stylish Design

POLYCHROME RGB

This motherboard features onboard RGB headers and addressable RGB headers that allow motherboard to be connected to compatible LED devices such as strip, CPU fans, coolers, chassis and so on. Users may also synchronize RGB LED devices across the Polychrome RGB Sync-certified accessories to create their own unique lighting effects.
*The addressable RGB LED header supports WS2812B addressable RGB LED strip (5V/Data/GND), with a maximum power rating of 3A (5V), a max of 80 LEDs and length within 2 meters.
*The RGB LED header supports standard 5050 RGB LED strip (12V/G/R/B), with a maximum power rating of 3A (12V) and length within 2 meters.

SignalRGB

SignalRGB unifies your RGB devices, offering seamless customization, game-reactive effects, macro automation, and system monitoring. The official partnership empowers ASRock motherboards with advanced lighting control, enhances compatibility with a diverse range of RGB devices, and provides greater customization flexibility.
DIY Friendly

Customized Thermal Management

The thermistor cable and thermistor header provide an additional source for temperature monitoring, offering customized thermal management solutions.

Reinforced Steel Slot
[PCIe 5.0 Version]

The reinforced steel slot is capable of supporting PCI Express 5.0 standard. The various benefits include:
✔ Extra anchor points
✔ Stronger latch
✔ Ensure signal stability
✔ Make sure heavy graphics cards to be well-installed.

EZ Setting

No need to worry about lack of disk drive! Asrock preinstall LAN driver to ensure that you are able to install all drivers needed in an easier way than using SCD.

step1 : Install Auto Driver Installer

step2 : Update drivers needed

step3 : Done!

Auto Driver Installer Auto Driver Installer
Phantom Gaming
B850I Lightning WiFi
PRODUCT BRIEF:
  • Supports AMD Socket AM5 Ryzen™ 9000, 8000 and 7000 Series Processors
  • 10+1+1 Phase Power Design, 110A SPS for VCore
  • 2 x DDR5 DIMMs
    Supports Dual Channel, up to 8200+ (OC)
  • 1 PCIe 5.0 x16
  • Graphics Output Options: 1 HDMI, 1 USB Type-C (DP-Alt)
  • Realtek ALC1220 7.1 CH HD Audio Codec, Nahimic Audio
  • 1 Blazing M.2 (PCIe Gen5x4)
    1 Hyper M.2 (PCIe Gen4x4)
    2 SATA3
  • 1 USB 3.2 Gen2 Type-C (Rear)*
    2 USB 3.2 Gen2 Type-A (Rear)
    1 USB 3.2 Gen1 Type-C (Front)
    3 USB 3.2 Gen1 (1 Rear, 2 Front)
    6 USB 2.0 (4 Rear, 2 Front)
  • Killer 2.5G LAN
  • 802.11axe WiFi 6E +Bluetooth
  • Supports BIOS Flashback
    *Supports up to 40 Gb/s with selected processors.
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TechPowerUp - Highly Recommended
This model may not be sold worldwide. Please contact your local dealer for the availability of this model in your region.
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The terms HDMI and HDMI High-Definition Multimedia Interface, and the HDMI Logo are trademarks or registered trademarks of HDMI Licensing Administrator, Inc. in the United States and other countries.

The specification is subject to change without notice in advance. The brand and product names are trademarks of their respective companies. Any configuration other than original product specification is not guaranteed.

The above user interface picture is a sample for reference. The actual user interface may vary with the updated software version.