ASRock B850I Mini-ITX Gaming Motherboard

ASRock B850I Lightning WiFi | Mini-ITX Powerhouse for Ryzen AM5

The ASRock B850I Lightning WiFi is a compact Mini-ITX motherboard designed for AMD Ryzen 9000, 8000, and 7000 series processors on the AM5 socket. This board combines cutting-edge PCIe 5.0 support, WiFi 6E connectivity, and a robust 10+1+1 power phase design in a space-saving form factor, making it ideal for high-performance gaming and content creation builds where every millimetre counts.

Key Specifications

PCIe 5.0 Graphics and Storage Ready

The B850I Lightning WiFi features a full PCIe 5.0 x16 slot, delivering double the bandwidth of PCIe 4.0 for the latest graphics cards. This ensures future-proof performance for 4K gaming and professional workloads. Paired with a Blazing M.2 socket supporting PCIe 5.0 x4, you can install the fastest NVMe SSDs available, dramatically reducing load times and improving system responsiveness.

Advanced Power Delivery for Stable Overclocking

Equipped with a 10+1+1 phase power design delivering 110A SPS to the VCore, this motherboard provides clean, stable power delivery even under heavy overclocking loads. The enlarged heatsink armour helps maintain optimal temperatures, while the SPS (Super Power Solution) design ensures smoother voltage regulation for consistent CPU performance during intensive tasks.

WiFi 6E and Killer Networking for Lag-Free Gaming

Built-in WiFi 6E (802.11axe) with a 6GHz band offers faster speeds and lower latency than previous Wi-Fi standards, perfect for online gaming and streaming. The Killer E3100 2.5GbE LAN port includes a prioritization engine that automatically manages network traffic, ensuring your game data gets top priority over other applications for a competitive edge.

Compact Design Without Compromise

Despite its Mini-ITX footprint, the B850I Lightning WiFi includes comprehensive connectivity: HDMI 2.1 and USB-C with DP-Alt Mode for multi-display setups, six USB ports (including USB 3.2 Gen2 Type-C), and dual M.2 slots for ample storage. The integrated I/O shield and ASRock Lightning Gaming Ports reduce setup time and improve peripheral responsiveness.

What Is in the Box

• 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

Things to Check First

• Confirm your CPU is an AMD Ryzen 9000, 8000, or 7000 series on AM5 socket
• Verify your case supports Mini-ITX motherboards (6.7″ x 6.7″)
• Check if your PSU has the required 24-pin ATX and 8-pin 12V connectors
• Ensure your Wi-Fi 6E router is 6GHz compatible for full wireless functionality

Buyer FAQs

The short version

The ASRock B850I Lightning WiFi is an excellent choice for enthusiasts building compact, high-performance systems around AMD’s AM5 platform. Its combination of PCIe 5.0 support, robust power delivery, and advanced networking makes it suitable for both gaming and professional applications where space is limited but performance cannot be compromised. Covered by the applicable manufacturer warranty.