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ASRock B650I Lightning WiFi AMD AM5 Mini-ITX Motherboard vs ASUS ROG Crosshair X870E Dark Hero ATX

Updated August 2026 — ASRock B650I Lightning WiFi AMD AM5 Mini-ITX Motherboard wins on size, ASUS ROG Crosshair X870E Dark Hero ATX wins on storage and price.

The ASUS ROG Crosshair X870E Dark Hero offers superior performance and features, while the ASRock B650I Lightning WiFi is a budget-friendly option. Choose based on your specific needs.

Why ASRock B650I Lightning WiFi AMD AM5 Mini-ITX Motherboard is better

Price

Significantly cheaper at $169.99

Size

Compact Mini-ITX design for small builds

Overclocking

Explicit support for DDR5 7200+ (OC)

Why ASUS ROG Crosshair X870E Dark Hero ATX is better

Power Delivery

20+2+2 power stages for better stability

Connectivity

More USB4 Type-C ports and options

Storage

Five M.2 slots for extensive storage

Overall score

ASRock B650I Lightning WiFi AMD AM5 Mini-ITX Motherboard
75
ASUS ROG Crosshair X870E Dark Hero ATX
92

Specifications

SpecASRock B650I Lightning WiFi AMD AM5 Mini-ITX MotherboardASUS ROG Crosshair X870E Dark Hero ATX
Form FactorMini-ITXATX
Power Stages8+2+120+2+2
M.2 Slots25
Wi-FiWiFi 6EWiFi 7
Audio CodecALC897ALC4082

Dimension comparison

ASRock B650I Lightning WiFi AMD AM5 Mini-ITX MotherboardASUS ROG Crosshair X870E Dark Hero ATX

Design and Form Factor

The ASRock B650I Lightning WiFi is designed as a compact Mini-ITX motherboard, while the ASUS ROG Crosshair X870E Dark Hero adopts a larger ATX form factor. The ASRock's ultra-compact design (170mm x 170mm) makes it ideal for small form factor builds and space-constrained environments, perfect for those looking to build a compact gaming or workstation setup. In contrast, the ASUS motherboard's ATX size allows for more expansion options, featuring five M.2 slots compared to the ASRock's two. This difference in design could significantly influence your choice, depending on whether you prioritize space-saving or extensive upgrade potential.

Performance and Power Delivery

When it comes to power delivery, the ASUS ROG Crosshair X870E Dark Hero boasts a robust 20+2+2 power stage design, which is superior to the ASRock’s 8+2+1 phase system. This configuration in the ASUS motherboard is engineered for exceptional stability, particularly during overclocking, making it a better choice for high-performance builds. The ASRock motherboard, although it provides a competent power delivery system, may not match the ASUS in demanding scenarios where maximum stability and efficiency are required. This translates to potentially better performance in high-load situations for the ASUS.

Memory Support and Overclocking

The ASRock B650I Lightning WiFi supports dual DDR5 DIMM slots optimized for overclocked speeds up to 7200+ (OC), while the ASUS ROG Crosshair X870E Dark Hero also supports DDR5 but does not specify an exact overclocking limit. Both motherboards are compatible with AMD Ryzen 9000, 8000, and 7000 Series processors, ensuring they can handle the latest technology. However, the ASRock’s explicit mention of overclocking capabilities may appeal to enthusiasts looking to push their systems to the limit, although the ASUS's advanced AI features could also enhance overall memory performance automatically.

Connectivity Options

The ASUS ROG Crosshair X870E Dark Hero excels in connectivity, featuring dual USB4 Type-C ports and multiple USB 10Gbps ports, making it a powerhouse for peripheral connectivity. The ASRock B650I Lightning WiFi, while also offering a solid connectivity suite with Phantom Gaming 2.5G LAN and Intel WiFi 6E, does not reach the same level of versatility. The additional connectivity options on the ASUS can be crucial for users with multiple high-speed devices or those looking to future-proof their build. This factor can sway buyers who prioritize having extensive connectivity features.

Storage Capabilities

Storage capabilities differ significantly between the two motherboards. The ASUS ROG Crosshair X870E Dark Hero features five M.2 slots, providing ample room for NVMe SSDs, while the ASRock B650I Lightning WiFi has two M.2 slots. Furthermore, the ASUS model includes advanced cooling solutions for its M.2 slots, ensuring optimal performance during heavy use. This makes the ASUS a better choice for users looking to maximize storage performance and capacity. The ASRock, while capable, may limit users with extensive storage needs or those who plan on using multiple high-speed drives.

Audio and Networking Features

The ASRock B650I Lightning WiFi includes a Realtek ALC897 7.1 CH HD Audio Codec enhanced with Nahimic Audio, which is adequate for most users. However, the ASUS ROG Crosshair X870E Dark Hero takes a step further with the ROG SupremeFX ALC4082 codec and ESS ES9219 Quad DAC, offering superior audio quality for audiophiles and gamers alike. Additionally, the ASUS features advanced networking capabilities with onboard Wi-Fi 7 and multiple Ethernet options, catering to users seeking high-speed connectivity. This makes the ASUS a more attractive option for those who value premium audio and networking performance.

Price Comparison

The ASRock B650I Lightning WiFi is priced at $169.99, making it about 75% cheaper than the ASUS ROG Crosshair X870E Dark Hero, which retails for $699.99. This significant price difference may appeal to budget-conscious consumers or those who do not require the extensive features offered by the ASUS. However, for users looking for high-end features, robust performance, and a comprehensive connectivity suite, the investment in the ASUS motherboard may be justified. Ultimately, the choice will depend on your specific needs and budget constraints.

Which should you buy?

Choosing between the ASRock B650I Lightning WiFi and the ASUS ROG Crosshair X870E Dark Hero ultimately hinges on your requirements. If you are after a compact, budget-friendly option that supports overclocking and basic connectivity, the ASRock is a solid choice at $169.99. Conversely, if you demand superior performance, extensive connectivity, and advanced features for high-end builds, the ASUS at $699.99 may be worth the investment. Consider your priorities, whether they be cost, size, or performance, to make an informed decision.