ASRock B650I Lightning WiFi AMD AM5 Mini-ITX Motherboard vs MSI PRO B850-P WiFi Motherboard, ATX
Updated August 2026 — ASRock B650I Lightning WiFi AMD AM5 Mini-ITX Motherboard wins on audio, MSI PRO B850-P WiFi Motherboard, ATX wins on size and memory.
The MSI PRO B850-P WiFi offers superior performance and features compared to the ASRock B650I Lightning WiFi, making it the better choice for high-performance builds.
Why ASRock B650I Lightning WiFi AMD AM5 Mini-ITX Motherboard is better
Compact Size
Ideal for small form factor builds
Price
Lower price at $169.99
Audio Features
Includes Nahimic Audio for enhanced sound
Why MSI PRO B850-P WiFi Motherboard, ATX is better
Memory Speed
Supports DDR5 speeds over 8200+ MT/s
Storage Options
Offers three M.2 connectors for more flexibility
Connectivity
Includes Wi-Fi 7 and USB 10Gbps Type-C ports
Overall score
Specifications
| Spec | ASRock B650I Lightning WiFi AMD AM5 Mini-ITX Motherboard | MSI PRO B850-P WiFi Motherboard, ATX |
|---|---|---|
| Form Factor | Mini-ITX | ATX |
| Power Phases | 8+2+1 | 12 Duet Rail |
| DDR5 Support | 7200+ MT/s | 8200+ MT/s |
| M.2 Slots | 2 | 3 |
| Wi-Fi | WiFi 6E | Wi-Fi 7 |
Dimension comparison
Overview of the ASRock B650I Lightning WiFi and MSI PRO B850-P WiFi
The ASRock B650I Lightning WiFi is priced at $169.99, while the MSI PRO B850-P WiFi is slightly cheaper at $155.50, making it about 17% less expensive. Both products support AMD Ryzen 9000, 8000, and 7000 processors, but they cater to different form factors and user needs. The ASRock model is a compact Mini-ITX motherboard, ideal for small form factor builds, while the MSI offering is larger, designed with an ATX form factor, suitable for more expansive setups.
Design and Form Factor
When it comes to design and form factor, the ASRock B650I Lightning WiFi features an ultra-compact Mini-ITX design, measuring 170mm x 170mm. This makes it perfect for users looking to build a space-efficient system. In contrast, the MSI PRO B850-P WiFi employs a standard ATX design, enabling it to offer more expansion slots and connectors. The larger size of the MSI motherboard allows for enhanced airflow and cooling solutions, which are crucial for high-performance builds.
Power Delivery and Performance
Power delivery is a critical aspect for any motherboard, and both boards excel in this area. The ASRock B650I boasts an advanced 8+2+1 phase power design, ensuring stability and efficiency for demanding applications. Meanwhile, the MSI PRO B850-P features a more robust 12 Duet Rail Power System (P-PAK) VRM, which should provide superior performance under heavy workloads. This difference could be significant for users planning to overclock their processors or run resource-intensive applications.
Memory Support
Memory performance is crucial for any gaming or productivity setup. The ASRock B650I supports dual DDR5 DIMM slots with overclocked speeds of up to 7200+ MT/s, while the MSI PRO B850-P takes it a notch higher with support for DDR5 speeds exceeding 8200+ MT/s. This feature gives the MSI board an edge for enthusiasts looking to push their memory performance to the limits. Additionally, the MSI motherboard offers four DDR5 DIMM slots, allowing for a greater total memory capacity compared to the ASRock’s dual slots.
Storage Options
In terms of storage capabilities, both motherboards offer cutting-edge options, but they differ in quantity and technology. The ASRock B650I includes dual M.2 slots (PCIe 5.0 and 4.0), along with two SATA3 ports, providing a versatile storage configuration suited for various needs. On the other hand, the MSI PRO B850-P offers three M.2 connectors, including one M.2 Gen5 x4 slot capable of 128Gbps speeds. This makes the MSI motherboard better equipped for users looking to implement high-speed NVMe SSDs, ensuring faster data transfer rates.
Connectivity Features
Connectivity is a crucial factor for modern motherboards. The ASRock B650I presents a comprehensive suite that includes 2.5G LAN, WiFi 6E, and multiple USB 3.2 Gen2 ports. Conversely, the MSI PRO B850-P takes connectivity a step further with Wi-Fi 7 and Bluetooth 5.4, in addition to its 5Gbps LAN. The inclusion of USB 10Gbps Type-C ports on the MSI motherboard enhances its appeal for users needing fast data transfer options, making it a more future-proof choice in terms of connectivity.
Audio Quality
Audio performance can greatly influence the overall user experience, particularly for gamers and media creators. The ASRock B650I features a Realtek ALC897 7.1 CH HD Audio Codec, which is enhanced with Nahimic Audio for an immersive sound experience. Meanwhile, the MSI PRO B850-P also boasts Realtek 7.1 HD audio with Audio Boost, promising clear and detailed sound. Both options provide quality sound, but the inclusion of Nahimic Audio on the ASRock board may be particularly appealing to users focused on audio fidelity.
Which should you buy?
In conclusion, choosing between the ASRock B650I Lightning WiFi and the MSI PRO B850-P WiFi boils down to your specific requirements. If you need a compact motherboard for a small form factor build, the ASRock B650I is an excellent choice with its robust power delivery and good connectivity options. However, for those seeking maximum performance, particularly in memory speed and storage capacity, the MSI PRO B850-P is the superior option with its extensive features and slightly lower price at $155.50. Ultimately, both motherboards serve their purpose well, but your decision should align with your build goals and performance needs.

