ASRock
ASRock B850I Lightning WiFi AM5 Mini-ITX Motherboard
★★★★★
WiFi 6EUSB 3.2DisplayPort
Experience Lightning-Fast Performance with this Mini ITX MotherboardThe ASRock B850i Lightning WiFi motherboard is designed for speed and power, featuring a sleek design with linear and angular elements reminiscent of lightning. This Mini ITX motherboard supports AMD Ryzen processors, DDR5 memory...
$179.99*
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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.
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Overview
Experience Lightning-Fast Performance with this Mini ITX Motherboard
The ASRock B850i Lightning WiFi motherboard is designed for speed and power, featuring a sleek design with linear and angular elements reminiscent of lightning. This Mini ITX motherboard supports AMD Ryzen processors, DDR5 memory, and PCIe 5.0, delivering top-tier performance in a compact form factor.
Specifications:
- CPU Socket: Socket AM5
- Compatible Processors: AMD Ryzen 9000/8000/7000 Series
- Chipset Type: AMD B850
- Memory Technology: DDR5
- Memory Clock Speed: 8200 MHz
- Memory Storage Capacity: 128 GB
- Form Factor: Mini ITX
- Package Dimensions: 13.78 x 6.3 x 4.72 inches
- Item Weight: 4.19 pounds
Key Features
Mini-ITX Compact Design: 170x170mm form factor ideal for small form factor builds while supporting AMD Ryzen 9000/8000/7000 series processors
Premium Power Delivery: 10+1+1 phase power design with 110A Smart Power Stage (SPS) ensures stable performance in compact builds
High-Speed Memory Support: 2 DDR5 DIMM slots support dual-channel configurations and extreme overclocked speeds up to 8200+ (OC)
PCIe 5.0 Ready: Includes one PCIe 5.0 x16 slot for next-generation graphics cards, maximizing performance in limited space
Dual Ultra-Fast Storage: Features both Blazing M.2 (PCIe Gen5x4) and Hyper M.2 (PCIe Gen4x4) slots for maximum storage performance
Advanced Networking: Killer 2.5G LAN and WiFi 6E with Bluetooth provide premium wired and wireless connectivity
Flexible Display Options: HDMI and USB Type-C with DisplayPort Alt-mode support versatile monitor configurations
High-Speed USB Connectivity: Includes USB 3.2 Gen2 Type-C port (up to 40Gb/s with selected processors) and multiple USB 3.2 Gen2 Type-A ports
System Compatibility Note: This Mini-ITX form factor requires a compatible small form factor case; verify chassis and cooler clearance before purchase
Dedicated Support: Contact us directly through Amazon for any product questions or assistance
Specifications
Form Factor
Mini-ITX (170x170mm)
CPU Socket
AM5
Supported Processors
AMD Ryzen 9000/8000/7000 series
Power Design
10+1+1 Phase, 110A Smart Power Stage (SPS)
Memory Slots
2 x DDR5 DIMM
Max Memory Speed (OC)
8200+ (OC)
PCIe Slots
1 x PCIe 5.0 x16
M.2 Storage Slots
1 x Blazing M.2 (PCIe Gen5x4), 1 x Hyper M.2 (PCIe Gen4x4)
LAN
Killer 2.5G LAN
Wireless Connectivity
WiFi 6E, Bluetooth
Display Outputs
HDMI, USB Type-C with DisplayPort Alt-mode
USB Type-C (Rear)
1 x USB 3.2 Gen2 Type-C (up to 40Gb/s with selected processors)
USB Type-A (Rear)
Multiple USB 3.2 Gen2 Type-A
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View on Amazon →Pros & Cons
👍 Pros
- Features a Mini-ITX compact design (170x170mm), ideal for space-saving small form factor PC builds.
- Equipped with a premium 10+1+1 phase power design and 110A Smart Power Stage (SPS) for stable CPU performance.
- Supports high-speed DDR5 memory in dual-channel configurations, with overclocked speeds up to 8200+ (OC) for optimal performance.
- Includes a PCIe 5.0 x16 slot, providing readiness for next-generation graphics cards and maximizing performance in confined spaces.
- Offers dual ultra-fast storage options with both Blazing M.2 (PCIe Gen5x4) and Hyper M.2 (PCIe Gen4x4) slots for top-tier SSD performance.
👎 Cons
- The Mini-ITX form factor necessitates a compatible small form factor case, which may limit cooling options and component size.
- Requires AMD Ryzen 9000/8000/7000 series processors, limiting compatibility with other CPU architectures.
- While supporting DDR5 up to 8200+ (OC), achieving such high speeds often depends on specific memory modules and CPU capabilities.
- The USB 3.2 Gen2 Type-C port offers up to 40Gb/s only with "selected processors," meaning full speed isn't guaranteed with all compatible CPUs.
- Users must verify chassis and cooler clearance before purchase due to the compact nature of Mini-ITX builds.
Frequently Asked Questions
What form factor is the ASRock B850I Lightning WiFi motherboard?
The ASRock B850I Lightning WiFi motherboard has a Mini-ITX compact design, measuring 170x170mm.
Which AMD processors are compatible with this motherboard?
This motherboard supports AMD Ryzen 9000, 8000, and 7000 series processors.
What kind of power delivery system does this motherboard utilize?
It features a premium power delivery with a 10+1+1 phase power design and 110A Smart Power Stage (SPS).
What type of memory and speeds does the motherboard support?
The motherboard has 2 DDR5 DIMM slots that support dual-channel configurations and extreme overclocked speeds up to 8200+ (OC).
Does this motherboard support the latest graphics cards?
Yes, it includes one PCIe 5.0 x16 slot, ready for next-generation graphics cards.
What storage options are available on this Mini-ITX motherboard?
It offers dual ultra-fast storage with both Blazing M.2 (PCIe Gen5x4) and Hyper M.2 (PCIe Gen4x4) slots.
What advanced networking features are integrated into this motherboard?
The motherboard provides Killer 2.5G LAN and WiFi 6E with Bluetooth for premium wired and wireless connectivity.
What display output options does the motherboard offer?
It includes HDMI and a USB Type-C port with DisplayPort Alt-mode support for versatile monitor configurations.
Are there high-speed USB ports on this motherboard?
Yes, it features a USB 3.2 Gen2 Type-C port (up to 40Gb/s with selected processors) and multiple USB 3.2 Gen2 Type-A ports.
What is an important consideration regarding system compatibility for this Mini-ITX motherboard?
It requires a compatible small form factor case, and users should verify chassis and cooler clearance before purchase.
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