ASRock AMD B850i Lightning WiFi 6E Socket AM5 vs ASRock B860 Pro RS Intel Core Ultra DDR5 8666 MHz
Updated August 2026 — ASRock B860 Pro RS Intel Core Ultra DDR5 8666 MHz leads on audio and form factor.
The ASRock B860 Pro RS offers better value with higher memory capacity and a lower price, making it the preferred choice for most users. However, the B850i is ideal for compact builds.
Why ASRock AMD B850i Lightning WiFi 6E Socket AM5 is better
Compact Design
Ideal for small form factor builds
AMD Support
Supports Ryzen processors
High-Speed Memory
Overclocking up to 8200+ MHz
Why ASRock B860 Pro RS Intel Core Ultra DDR5 8666 MHz is better
Price
28% cheaper than B850i
Memory Capacity
Supports up to 256GB RAM
Audio Features
Includes Nahimic Audio for enhanced sound
Overall score
Specifications
| Spec | ASRock AMD B850i Lightning WiFi 6E Socket AM5 | ASRock B860 Pro RS Intel Core Ultra DDR5 8666 MHz |
|---|---|---|
| Max RAM | 128GB | 256GB |
| RAM Speed | 8200+ MHz | 8666+ MHz |
| PCIe Slots | 1 PCIe 5.0 | 1 PCIe 5.0 + 1 PCIe 4.0 |
| Networking | Killer 2.5G LAN | Realtek 2.5G LAN |
| Audio Codec | Not specified | Realtek ALC1220 |
Dimension comparison
Overview of the ASRock AMD B850i Lightning WiFi 6E and ASRock B860 Pro RS
The ASRock AMD B850i Lightning WiFi 6E is priced at $179.99, while the ASRock B860 Pro RS comes in at $129.99, making the latter about 28% cheaper. Both motherboards are designed for high-performance computing, but they cater to different needs and preferences. The B850i is a Mini-ITX motherboard aimed at compact builds, supporting AMD Ryzen processors, while the B860 Pro RS is an ATX motherboard designed for Intel Core Ultra processors.
Design and Form Factor
The ASRock AMD B850i Lightning WiFi 6E features a Mini-ITX form factor, measuring 170x170mm, which is ideal for small form factor builds. This compact design allows builders to create a powerful system in tight spaces. In contrast, the ASRock B860 Pro RS adopts the ATX form factor, providing more space for additional components, including four DDR5 DIMM slots compared to the two on the B850i. This larger size can facilitate better airflow and cooling solutions, making it more suitable for expansive setups.
Processor Compatibility
The two motherboards are tailored for different processor families. The ASRock AMD B850i Lightning supports AMD Ryzen 9000, 8000, and 7000 series processors, which are known for their strong multi-core performance. On the other hand, the ASRock B860 Pro RS is designed for Intel Core Ultra processors using the LGA1851 socket. This distinction will significantly influence your choice depending on whether you favor AMD or Intel for your build, as both platforms have unique advantages in different computing scenarios.
Memory Support and Performance
In terms of memory support, the ASRock AMD B850i Lightning can accommodate up to 128GB of DDR5 RAM, operating at speeds of 8200+ MHz (OC). This high capacity and speed can be particularly beneficial for memory-intensive tasks like gaming and video editing. Meanwhile, the ASRock B860 Pro RS supports a maximum of 256GB of DDR5 RAM, with overclocking speeds of up to 8666+ MHz, making it a strong candidate for users who require extensive memory for heavy multitasking or professional applications.
Connectivity Options
Connectivity is a strong point for both motherboards, but they offer different features. The ASRock AMD B850i Lightning includes advanced networking options with Killer 2.5G LAN and WiFi 6E, ensuring high-speed wired and wireless connections. It also features multiple USB ports, including USB 3.2 Gen2 Type-C. Conversely, the ASRock B860 Pro RS offers a variety of connectivity options, including Thunderbolt 4 Type-C and USB 3.2 Gen2 ports, enhancing data transfer speeds. The B860’s extensive USB connectivity makes it particularly appealing for users with many peripherals.
Storage Capabilities
When it comes to storage, the ASRock AMD B850i Lightning provides a dual ultra-fast storage configuration with both Blazing M.2 (PCIe Gen5x4) and Hyper M.2 (PCIe Gen4x4) slots. This allows for rapid data access and transfer speeds, suitable for modern SSDs. The ASRock B860 Pro RS also features a Blazing M.2 (PCIe Gen5x4) slot as well as additional Hyper M.2 slots, offering comprehensive storage solutions for users needing fast and expansive storage options. Both motherboards excel in this area, but the B860 Pro RS's additional slots give it an edge for those looking to expand their storage capabilities.
Audio and Multimedia Features
Audio capabilities differ notably between the two boards. The ASRock AMD B850i Lightning does not explicitly highlight its audio features in its specifications. However, the ASRock B860 Pro RS boasts the Realtek ALC1220 7.1 CH HD Audio Codec with Nahimic Audio, which is engineered for an immersive audio experience. This could be a deciding factor for users who prioritize audio quality for gaming, content creation, or media consumption.
Price Comparison
The ASRock B860 Pro RS is priced at $129.99, making it about 28% cheaper than the ASRock AMD B850i Lightning, which retails for $179.99. This price difference might be a critical consideration for budget-conscious consumers or first-time builders who want to maximize their investment. The B860 Pro RS offers robust features for its price, presenting a good value proposition for many users.
Which should you buy?
Choosing between the ASRock AMD B850i Lightning WiFi 6E and the ASRock B860 Pro RS largely depends on your specific needs and preferences. If you require a compact motherboard for an AMD Ryzen build with high memory speeds, the B850i is an excellent choice. However, if you prefer a more spacious ATX motherboard that supports Intel Core Ultra processors, offers higher memory capacity, and comes at a lower price, the B860 Pro RS is the better option. Ultimately, both motherboards have their strengths, making them suitable for different types of users and builds.