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ASRock AMD B850i Lightning WiFi 6E Socket AM5 vs MSI MAG B650 Tomahawk WiFi Gaming Motherboard

Updated August 2026 — ASRock AMD B850i Lightning WiFi 6E Socket AM5 wins on form factor and storage, MSI MAG B650 Tomahawk WiFi Gaming Motherboard wins on thermals.

The ASRock AMD B850i Lightning excels in compact design and memory overclocking, while the MSI MAG B650 Tomahawk offers better thermal solutions and connectivity options. Choose based on your specific needs.

Why ASRock AMD B850i Lightning WiFi 6E Socket AM5 is better

Compact Design

Mini-ITX form factor is ideal for small builds

Memory Overclocking

Supports DDR5 speeds up to 8200+ (OC) MHz

Storage Options

Includes PCIe Gen5 storage slots for maximum performance

Why MSI MAG B650 Tomahawk WiFi Gaming Motherboard is better

Thermal Solutions

Premium thermal design with extended heatsinks

Form Factor

ATX size allows for more expansion slots

Connectivity

More diverse display outputs for gaming setups

Overall score

ASRock AMD B850i Lightning WiFi 6E Socket AM5
85
MSI MAG B650 Tomahawk WiFi Gaming Motherboard
78

Specifications

SpecASRock AMD B850i Lightning WiFi 6E Socket AM5MSI MAG B650 Tomahawk WiFi Gaming Motherboard
Power Delivery10+1+1 phasePremium thermal solution
Memory SupportDDR5 up to 8200+ (OC)DDR5 up to 6400+ (OC)
Storage SlotsDual M.2 Gen5M.2 Gen4
NetworkingKiller 2.5G LANIntel 2.5G LAN
USB PortsUSB 3.2 Gen2 Type-CUSB 3.2 Gen2

Dimension comparison

ASRock AMD B850i Lightning WiFi 6E Socket AM5MSI MAG B650 Tomahawk WiFi Gaming Motherboard

Overview of the ASRock AMD B850i Lightning and MSI MAG B650 Tomahawk

The ASRock AMD B850i Lightning is priced at $179.99, making it about 17% cheaper than the MSI MAG B650 Tomahawk, which retails for $212.39. Both motherboards are designed for AMD's Ryzen 9000, 8000, and 7000 series processors, but they cater to different user needs and preferences. The ASRock motherboard focuses on compactness and high-speed memory support, while the MSI option emphasizes robust thermal solutions and gaming performance.

Design and Form Factor Comparison

The ASRock AMD B850i Lightning features a Mini-ITX form factor, ideal for small builds that require efficient use of space. This compact design measures 170x170mm, making it suitable for those looking to create a small form factor PC. In contrast, the MSI MAG B650 Tomahawk is an ATX motherboard, providing more expansion slots and potentially better cooling options due to its larger size. Users who prioritize a compact system may find the ASRock more appealing, while those needing additional features and expansion capabilities could lean toward the MSI.

Performance and Power Delivery

In terms of power delivery, the ASRock AMD B850i Lightning boasts a 10+1+1 phase power design with a 110A Smart Power Stage. This configuration is aimed at ensuring stable performance, especially in compact builds. On the other hand, the MSI MAG B650 Tomahawk is equipped with a premium thermal solution, including an extended heatsink design and M.2 Shield Frozr, optimizing the motherboard for high-performance tasks and gaming. For users focused on overclocking and performance in demanding applications, the MSI might have a slight edge due to its thermal management features.

Memory Support and Overclocking

The ASRock AMD B850i Lightning supports DDR5 memory with speeds up to 8200+ (OC) MHz across its two DIMM slots. This high-speed memory support is a significant draw for enthusiasts looking to push their systems to the limit. Conversely, the MSI MAG B650 Tomahawk supports DDR5 memory up to 6400+(OC) MHz. While both motherboards support high-speed RAM, the ASRock offers a higher maximum overclocking capability, making it a better choice for those who intend to maximize their system's memory performance.

Storage Options

When it comes to storage, the ASRock AMD B850i Lightning features dual ultra-fast storage options, including Blazing M.2 (PCIe Gen5x4) and Hyper M.2 (PCIe Gen4x4) slots. This allows for maximum storage performance and flexibility. The MSI MAG B650 Tomahawk also includes Lightning M.2 slots that run at PCIe Gen 4, which is excellent for NVMe SSDs but does not match the Gen 5 capabilities of the ASRock. For users prioritizing cutting-edge storage performance, the ASRock offers superior options.

Networking Features

The ASRock AMD B850i Lightning includes advanced networking features such as Killer 2.5G LAN and WiFi 6E, ensuring premium wired and wireless connectivity. The MSI MAG B650 Tomahawk also features 2.5G LAN and Intel Wi-Fi 6E, making its networking capabilities comparable. Both motherboards are well-equipped for modern networking needs, but the ASRock’s additional focus on Bluetooth connectivity enhances its versatility for users with multiple devices.

Usability and Connectivity

In terms of connectivity, the ASRock AMD B850i Lightning includes USB 3.2 Gen 2 Type-C ports and several USB 3.2 Gen 2 Type-A ports. These features cater well to users who require high-speed USB connectivity. The MSI MAG B650 Tomahawk also supports USB 3.2 Gen 2, along with HDMI and DisplayPort outputs, catering specifically to gaming and multimedia setups. Users who require diverse display options may find the MSI motherboard more suitable, especially if they plan to connect multiple monitors.

Which should you buy?

Choosing between the ASRock AMD B850i Lightning and the MSI MAG B650 Tomahawk largely depends on your specific needs and preferences. If you prioritize a compact design, extreme memory overclocking, and cutting-edge storage options, the ASRock AMD B850i Lightning at $179.99 is an excellent choice. However, if you prefer a more traditional form factor with robust thermal solutions for gaming and a broader array of connectivity options, the MSI MAG B650 Tomahawk at $212.39 might be the better fit. Ultimately, both motherboards offer strong features tailored to different user experiences.