Asus ROG Strix B850-I Review: Dual PCIe 5.0 M.2 on Mini-ITX
▼ Summary
– The Asus ROG Strix B850-I Gaming WiFi is a high-end Mini-ITX motherboard priced at $349.99, featuring two PCIe 5.0 M.2 sockets and extensive AI support for setup and performance optimization.
– It includes fast networking with Wi-Fi 7, solid audio, capable power delivery, and DIY-friendly features like PCIe Slot Release and M.2 slide, but has limited USB ports on the rear IO.
– Performance is strong in multithreaded applications and gaming, with average results in single-threaded benchmarks, making it suitable for flagship processors and some overclocking.
– The board supports up to 128GB of DDR5 RAM, includes multiple accessories in the box, and has a robust 13-phase power delivery system that handles heat well under default settings.
– While ideal for users prioritizing dual fast storage and AI features, more affordable alternatives offer comparable hardware without the two PCIe 5.0 M.2 sockets if those features are not essential.
The Asus ROG Strix B850-I Gaming WiFi stands out as a premium Mini-ITX motherboard, delivering dual PCIe 5.0 M.2 slots and robust AI features for enthusiasts building compact high-performance systems. While it carries a higher price tag than other B850 models, its specialized storage capabilities and comprehensive software support justify the investment for users prioritizing cutting-edge speed and automation.
Priced at approximately $350, this model represents the top tier of B850-based Mini-ITX offerings. You receive hardware comparable to competing boards, but the inclusion of two PCIe 5.0 M.2 sockets sets it apart for storage-intensive workloads. Additional highlights include Wi-Fi 7 connectivity, a capable audio solution, and a power delivery system designed to handle flagship processors. The board supports up to 128GB of DDR5 memory, with Asus’s AI-enhanced tools like AEMP and DIMM FIT ensuring optimal performance even with non-XMP memory kits.
Connectivity presents one notable limitation: the rear panel offers just eight USB ports. This configuration includes six Type-A and two Type-C ports, which might feel restrictive for setups requiring multiple peripherals. Performance testing revealed strong results in multithreaded applications, with gaming and single-threaded tasks performing at expected levels for the chipset. Thermal management proved effective, with integrated cooling solutions maintaining components within safe operating ranges.
Examining the layout reveals thoughtful design choices for such a compact form factor. A 10-layer PCB hosts intelligently positioned heatsinks, including one with perforated ROG branding that doubles as an air intake for the concealed VRM cooling fan. The board’s 13-phase power delivery, managed by a DIGI+ ASP2205 controller and 90A MOSFETs, provides stable power for overclocking scenarios. Four fan headers offer flexible cooling options, though each carries a 1A/12W limit that suits most Mini-ITX cooling solutions.
Storage configuration deserves special attention. Both M.2 sockets support PCIe 5.0 x4 speeds, with the primary slot located on the front beneath its own heatsink and the secondary slot on the rear without additional cooling. These support drives up to 80mm in length and offer RAID functionality. The reinforced PCIe 5.0 x16 slot features Asus’s Q-Release mechanism for easier graphics card removal, a welcome convenience in tight builds.
Audio duties are handled by a Realtek ALC4080 codec paired with a Savitech amplifier, delivering quality sound through three analog jacks and an SPDIF output. Networking combines an Intel 2.5 GbE controller with MediaTek’s latest Wi-Fi 7 solution, ensuring high-speed wired and wireless connectivity.
The accessory package contains everything needed for assembly, including SATA cables, Wi-Fi antenna, M.2 installation tools, and various ROG-branded extras. While the Strix B850-I Gaming WiFi excels in specific areas, its value depends largely on whether your build demands its unique combination of dual PCIe 5.0 storage and AI-enhanced features. For users without these specific requirements, more affordable alternatives may provide better value while still offering solid Mini-ITX performance.
(Source: Tom’s Hardware)
