Key Features
- Mini ITX Form Factor
- AMD B850 Chipset
- Socket AM5
- DDR5 (Max: 128GB / 2 slots)
- 2 x M.2 & 8 x USB & 2 x SATA
- HDMI
Shipping & Delivery
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Standard Delivery
Our courier will deliver to the specified address
5-7 Working Days
From £4.99
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Express Delivery
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2-3 Working Days
From £9.99
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ASRock B850I Lightning WiFi Mini ITX Motherboard for AMD AM5 CPUs
£189.93 Original price was: £189.93.£175.86Current price is: £175.86. INC VAT
In stock
In stock
You Save: £14.07 (7%)
Key Features
- Mini ITX Form Factor
- AMD B850 Chipset
- Socket AM5
- DDR5 (Max: 128GB / 2 slots)
- 2 x M.2 & 8 x USB & 2 x SATA
- HDMI
Shipping & Delivery
-
Standard Delivery
Our courier will deliver to the specified address
5-7 Working Days
From £4.99
-
Express Delivery
DHL courier will deliver to the specified address
2-3 Working Days
From £9.99
-
Free 30-Day returns
Description
ASRock B850I Lightning WiFi Powerhouse Mini ITX Performance Unleashed

Ultimate AM5 Mini ITX Performance
The ASRock B850I Lightning WiFi motherboard is engineered to deliver top-tier power and efficiency in a space-saving Mini ITX form. With support for AMD Ryzen 9000, 8000, and 7000 Series processors, this compact beast harnesses a 10+1+1 power phase design with 110A Smart Power Stages to provide stable, efficient energy delivery. The inclusion of an 8-layer PCB ensures improved signal integrity, lower thermal output, and superior overclocking performance. Compatible with ultra-fast DDR5 memory up to 8200+ MHz (OC), this board is built for extreme enthusiasts seeking cutting-edge technology without sacrificing space or stability.

Blazing-Speed Storage and Seamless Connectivity
Unlock blazing transfer speeds with one PCIe Gen5 x16 slot and dual M.2 storage options—including one PCIe Gen5 and one PCIe Gen4 slot—for next-gen SSD performance. Packed with rich connectivity options like front and rear USB Type-C (including DP-Alt mode), Wi-Fi 6E, and a 2.5Gb LAN port, the Lightning series ensures rapid data transfers and lag-free online experiences. Gamers and creators alike will benefit from ASRock’s Phantom Gaming LAN optimizations and Nahimic Audio, which enrich the experience with immersive, studio-grade sound and voice clarity.

Built for DIY, Styled with RGB Brilliance
Designed with builders in mind, this board features DIY-friendly tools like BIOS Flashback, a flexible integrated I/O shield, and reinforced PCIe 5.0 steel slots. It includes a robust cooling solution with aluminum heatsinks, customizable fan headers, and Thermistor support for thermal tuning. Aesthetically, it’s a standout with Polychrome RGB headers and full SignalRGB compatibility, enabling synchronized lighting effects for a completely personalized setup. Whether for gaming, content creation, or high-performance computing, the ASRock B850I Lightning WiFi offers elite features packed into a compact, efficient design.
| Motherboard Type | Desktop |
|---|---|
| Form Factor | Mini ITX |
| Socket | AMD AM5 |
| Chipset | AMD B850 |
| DDR Type | DDR5 |
| CPU Support | Click here for CPU support |
| RAM Technology | DDR5 (Dual Channel), ECC and Non-ECC Un-buffered DIMM, Supports XMP & EXPO |
| RAM Slots | 2 x DIMM |
| RAM Speeds | Up to 8200+ (OC) |
| Maximum Memory | 128GB |
| Graphics | Integrated Graphics (varies by CPU) |
| Graphics Ports | 1 x HDMI, 1 x USB 10Gbps support USB Type-C display outputs |
| PCI/PCI Express | Ryzen 9000 & 7000: 1 x PCIe 5.0 x16 | Ryzen 8000: 1 x PCIe 4.0 x8/x4 |
| Storage | 2 x SATA III, 2 x M.2 (PCIe 5.0/4.0 as per CPU) |
| RAID | Supports RAID 0/1 for SATA, RAID 0/1/10 for NVMe* |
| Wireless | 802.11axe Wi-Fi 6E, Bluetooth 5.2, Dual-Band, MU-MIMO |
| LAN | 2.5GB LAN |
| Audio | 7.1 CH HD Audio with Content Protection (Realtek ALC1220) |
| USB Ports Supported | Rear: 1 x USB 10Gbps Type-C, 2 x USB 10Gbps Type-A, 1 x USB 5Gbps Type-A, 4 x USB 2.0 | Front: 1 x USB 5Gbps Type-C, 2 x USB 5Gbps Type-A, 2 x USB 2.0 |
| Back Panel I/O Ports | 2 x Antenna, 1 x HDMI, 1 x Optical SPDIF Out, 2 x USB 3.2 Gen2 Type-A, 1 x USB 3.2 Gen2 Type-C, 1 x USB 3.2 Gen1, 4 x USB 2.0, 1 x RJ-45 LAN, 1 x BIOS Flashback Button, 1 x Line Out, 1 x Mic Input |
| Internal I/O Connectors | Thermistor Cable, 2 x Addressable LED, 1 x CPU Fan, 1 x Chassis Fan, 1 x AIO Pump, 1 x 24-pin ATX, 1 x 8-pin 12V, Front Audio, USB 2.0, USB 3.2 Gen1, Front USB Type-C |
| Accessories | 2 x SATA Cables, 2 x ASRock WiFi Antennas |
