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ASRock B860 Pro RS Intel Core Ultra DDR5 8666 MHz vs Asus ROG Strix B550-F Gaming WiFi II AMD AM4 ATX

Updated August 2026 — ASRock B860 Pro RS Intel Core Ultra DDR5 8666 MHz leads on memory and price.

The ASRock B860 Pro RS offers better memory support and next-gen connectivity at a lower price, while the Asus ROG Strix B550-F excels in aesthetics and gaming features.

Why ASRock B860 Pro RS Intel Core Ultra DDR5 8666 MHz is better

Price

ASRock is $10 cheaper.

Memory

Supports DDR5 up to 8666 MHz.

Connectivity

Includes PCIe 5.0 support.

Why Asus ROG Strix B550-F Gaming WiFi II AMD AM4 ATX is better

Aesthetics

Features RGB lighting.

Power Stages

12+2 power stages for AMD.

Multimedia

Includes HDMI 2.1 output.

Overall score

ASRock B860 Pro RS Intel Core Ultra DDR5 8666 MHz
85
Asus ROG Strix B550-F Gaming WiFi II AMD AM4 ATX
78

Specifications

SpecASRock B860 Pro RS Intel Core Ultra DDR5 8666 MHzAsus ROG Strix B550-F Gaming WiFi II AMD AM4 ATX
SocketLGA1851AM4
Memory TypeDDR5DDR4
PCIe Version5.04.0
WiFi6E6E
Audio CodecALC1220High Quality

Dimension comparison

ASRock B860 Pro RS Intel Core Ultra DDR5 8666 MHzAsus ROG Strix B550-F Gaming WiFi II AMD AM4 ATX

Overview of ASRock B860 Pro RS and Asus ROG Strix B550-F Gaming WiFi II

The ASRock B860 Pro RS is priced at $129.99, making it about 17% cheaper than the Asus ROG Strix B550-F Gaming WiFi II, which retails for $139.99. Both motherboards cater to gamers and power users, but they target different processor families and offer distinct features that may influence your choice. While the ASRock board supports Intel’s latest Core Ultra processors, the Asus option is designed for AMD's Ryzen CPUs, offering a direct competition between two leading motherboard brands.

Power and Performance

The ASRock B860 Pro RS boasts a robust 10+1+1+1+1 power phase design, promising efficient power delivery for high-performance computing. This advanced configuration, combined with Dr.MOS technology for managing voltage requirements, ensures stable performance for demanding workloads. Conversely, the Asus ROG Strix B550-F features a 12+2 teamed power stage, which also emphasizes robust power management for the 3rd Gen Ryzen processors. Both boards are equipped to handle overclocking, but the design philosophies reflect their respective brand focuses—ASRock leans towards Intel optimization, while Asus showcases a balance aimed at AMD users.

Memory Support

When it comes to memory, the ASRock B860 Pro RS supports DDR5 memory with speeds up to 8666 MHz (overclocked), offering a significant advantage for users who need high-speed RAM for intensive applications. The Asus ROG Strix B550-F supports DDR4 memory, which, although capable, does not reach the same performance levels as DDR5. This difference in memory technology may sway users focused on future-proofing their builds, as DDR5 is becoming increasingly prevalent in high-end systems.

Expansion and Connectivity

The expansion options on the ASRock B860 Pro RS include a PCIe 5.0 x16 slot and multiple M.2 slots for storage, ensuring compatibility with next-gen graphics cards and fast SSDs. It also features Thunderbolt 4 Type-C connectivity, which is excellent for high-speed data transfer. In comparison, the Asus ROG Strix B550-F offers PCIe 4.0 compatibility and dual M.2 slots, but lacks the next-gen PCIe 5.0 support. However, it does come with HDMI 2.1 and DisplayPort 1.2 outputs, enhancing its multimedia capabilities, which is ideal for gamers looking to connect high-resolution displays.

Networking Features

Both motherboards are equipped with WiFi 6E, delivering improved wireless connectivity for gaming and streaming. The ASRock B860 Pro RS features Realtek 2.5G LAN, while the Asus ROG Strix B550-F provides Intel 2.5 Gb Ethernet along with its WiFi capabilities. This slight edge in networking could be crucial for users who prioritize wired connections for gaming sessions. Both boards have solid networking options, but the choice may ultimately depend on personal preference for LAN hardware.

Audio Quality

Audio performance is a key aspect for gamers and content creators, and both motherboards deliver. The ASRock B860 Pro RS includes the Realtek ALC1220 7.1 Channel HD Audio Codec, which is known for its excellent sound quality and immersive audio experience. Similarly, the Asus ROG Strix B550-F is equipped with high-quality audio components, designed to enhance the gaming experience. While both motherboards provide great audio solutions, the ASRock board emphasizes its Nahimic Audio technology, which could offer additional benefits for immersive soundscapes.

Aesthetics and Build Quality

In terms of aesthetics, the ASRock B860 Pro RS showcases a Steel Legend design, noted for its robust build quality and military-grade components. This gives it a sturdy and visually appealing look that fits well in a high-end gaming rig. The Asus ROG Strix B550-F also boasts a futuristic aesthetic with RGB lighting and a Stack Cool 3+ design that enhances cooling. Users who appreciate customizable lighting and design will likely lean towards the Asus option, while those who prefer a more understated look may favor the ASRock.

Which should you buy?

Deciding between the ASRock B860 Pro RS and the Asus ROG Strix B550-F Gaming WiFi II ultimately depends on your specific needs. If you are building a system focused on Intel's latest processors, the ASRock B860 Pro RS offers superior memory support and next-gen connectivity at a lower price of $129.99. On the other hand, if you prefer AMD’s Ryzen CPUs, the Asus ROG Strix B550-F, priced at $139.99, provides excellent gaming features, aesthetic appeal, and strong networking options. Consider your processor choice, desired features, and budget to make the best decision for your build.