ASUS ROG STRIX B860-I GAMING WIFI vs ASRock AMD B850i Lightning WiFi 6E
Updated April 2026 — ASUS ROG STRIX B860-I GAMING WIFI wins on storage options and value, ASRock AMD B850i Lightning WiFi 6E wins on thermal design.
$179.99ASRock AMD B850i Lightning WiFi 6E Socket AM5 Ryzen 9000/8000/7000 Series DDR5 8200+ (OC) MHz 128GB Mini ITX Motherboard M.2 SATA3 6.0 Gb/s PCIe 5.0 B850 BIOS Flashback
ASRock
$207.99ASUS ROG STRIX B860-I GAMING WIFI B860 LGA 1851 mITX Mini-ITX motherboard, Intel® Core™ Ultra Series 2 Ready, Advanced AI ready, 10+1+2+1 stage, DDR5, 2.5G LAN, WiFi7, M.2, Thunderbolt™ 4, USB Type-C®
ASUS
The ASUS ROG STRIX B860-I GAMING WIFI edges out the ASRock AMD B850i Lightning WiFi 6E for budget-conscious builders seeking high power delivery specs. While the ASRock AMD B850i Lightning WiFi 6E offers advanced AI features and detailed thermal construction, the ASUS ROG STRIX B860-I GAMING WIFI provides superior amperage per power stage and explicit PCIe 5.0 support at a lower price point.
Why ASUS ROG STRIX B860-I GAMING WIFI is better
Higher Power Stage Amperage on ASUS ROG STRIX B860-I GAMING WIFI
110A Smart Power Stage versus 80A on competitor
Lower Price Point for ASUS ROG STRIX B860-I GAMING WIFI
$179.99 compared to $207.99
Explicit PCIe 5.0 Support on ASUS ROG STRIX B860-I GAMING WIFI
Includes one PCIe 5.0 x16 slot
Defined Memory Overclocking on ASUS ROG STRIX B860-I GAMING WIFI
Supports speeds up to 8200+ (OC)
Faster USB Connectivity on ASUS ROG STRIX B860-I GAMING WIFI
USB 3.2 Gen2 Type-C up to 40Gb/s
Detailed Storage Specs on ASUS ROG STRIX B860-I GAMING WIFI
Features Blazing M.2 PCIe Gen5x4 and Hyper M.2 PCIe Gen4x4
Why ASRock AMD B850i Lightning WiFi 6E is better
Advanced AI Suite on ASRock AMD B850i Lightning WiFi 6E
Includes ASUS AI Advisor and AI Networking II
Enhanced Thermal Construction on ASRock AMD B850i Lightning WiFi 6E
Massive heatsinks with L-shaped heatpipe
Higher Total Power Phase Count on ASRock AMD B850i Lightning WiFi 6E
10+1+2+1 configuration versus 10+1+1
Premium Component Quality on ASRock AMD B850i Lightning WiFi 6E
ProCool power connectors and MicroFine alloy chokes
Exclusive Memory Technologies on ASRock AMD B850i Lightning WiFi 6E
DIMM Fit and AEMP III support
Intel Platform Readiness on ASRock AMD B850i Lightning WiFi 6E
Ready for Intel Core Ultra processors Series 2
Overall score
Specifications
| Spec | ASUS ROG STRIX B860-I GAMING WIFI | ASRock AMD B850i Lightning WiFi 6E |
|---|---|---|
| Price | $179.99 | $207.99 |
| Power Stage Amperage | 110A Smart Power Stage | 80A Power Stages |
| Form Factor Dimensions | 170x170mm | — |
| Memory Speed Support | Up to 8200+ (OC) | — |
| PCIe Slot Generation | PCIe 5.0 x16 | — |
| USB Type-C Speed | Up to 40Gb/s | — |
| Networking Standard | WiFi 6E | WiFi 6E |
| CPU Socket Compatibility | AMD Ryzen 9000/8000/7000 | Intel LGA 1851 |
| Storage Slots | PCIe Gen5x4 and Gen4x4 | — |
| AI Features | — | AI Advisor, AI Networking II |
Dimension comparison
Introduction to the Contenders
The Mini-ITX motherboard market offers compact solutions for high-performance builds without sacrificing connectivity. Two notable entries include the ASUS ROG STRIX B860-I GAMING WIFI and the ASRock AMD B850i Lightning WiFi 6E. Both boards target enthusiasts looking to maximize performance in limited space, yet they approach power delivery and feature sets differently. This comparison evaluates their specifications based on provided data to determine which offers better value and capability for specific build requirements.
Form Factor and Design
Compactness is critical for small form factor builds. The ASUS ROG STRIX B860-I GAMING WIFI specifies a 170x170mm form factor, ensuring compatibility with strict Mini-ITX cases. It supports AMD Ryzen 9000, 8000, and 7000 series processors within this footprint. The ASRock AMD B850i Lightning WiFi 6E is also designed for compact builds but does not explicitly list dimensions in the provided data. Both boards aim to fit tight spaces, though the explicit sizing of the ASUS ROG STRIX B860-I GAMING WIFI aids in pre-build planning.
Power Delivery and Stability
Power delivery determines system stability under load. The ASUS ROG STRIX B860-I GAMING WIFI utilizes a 10+1+1 phase power design with 110A Smart Power Stage units. This high amperage ensures stable performance in compact builds where thermal headroom is limited. The ASRock AMD B850i Lightning WiFi 6E features a 10(80A)+1(80A)+2(80A)+1(80A) power stage configuration. While the ASRock AMD B850i Lightning WiFi 6E has more total phases, the ASUS ROG STRIX B860-I GAMING WIFI offers higher amperage per stage, which can be beneficial for sustained high-load scenarios.
Memory and CPU Support
Memory compatibility influences overall system speed. The ASUS ROG STRIX B860-I GAMING WIFI includes 2 DDR5 DIMM slots supporting dual-channel configurations and overclocked speeds up to 8200+ (OC). It is designed for AMD Ryzen processors. Conversely, the ASRock AMD B850i Lightning WiFi 6E targets Intel Core Ultra processors (Series 2) via an LGA 1851 socket. It incorporates exclusive technologies like DIMM Fit and AEMP III to simplify setup. The choice here depends largely on platform preference between AMD and Intel ecosystems.
Storage and Expansion
Storage speed is vital for modern computing tasks. The ASUS ROG STRIX B860-I GAMING WIFI features dual ultra-fast storage options, including a Blazing M.2 slot supporting PCIe Gen5x4 and a Hyper M.2 slot supporting PCIe Gen4x4. It also includes one PCIe 5.0 x16 slot for next-generation graphics cards. The provided data for the ASRock AMD B850i Lightning WiFi 6E does not explicitly detail storage slot generations or PCIe expansion capabilities. For users prioritizing confirmed PCIe 5.0 storage and graphics support, the ASUS ROG STRIX B860-I GAMING WIFI holds a clear specification advantage.
Connectivity and Networking
Modern motherboards require robust networking options. The ASUS ROG STRIX B860-I GAMING WIFI offers Killer 2.5G LAN and WiFi 6E with Bluetooth for premium wired and wireless connectivity. It also includes a USB 3.2 Gen2 Type-C port capable of speeds up to 40Gb/s with selected processors. The ASRock AMD B850i Lightning WiFi 6E includes WiFi 6E as indicated by its name and features ASUS-exclusive AI Networking II. While both support WiFi 6E, the explicit USB speed and Killer LAN branding on the ASUS ROG STRIX B860-I GAMING WIFI provide measurable connectivity benchmarks.
Thermal Management
Heat dissipation is crucial in Mini-ITX chassis. The ASRock AMD B850i Lightning WiFi 6E describes an optimized thermal design with massive heatsinks, an integrated I/O cover, high-conductivity thermal pads, and an L-shaped heatpipe. The provided features for the ASUS ROG STRIX B860-I GAMING WIFI do not explicitly detail thermal construction materials or heatpipe configurations. Builders concerned primarily with passive cooling surface area and heatpipe integration may find the description for the ASRock AMD B850i Lightning WiFi 6E more reassuring regarding thermal management.
Price and Value Verdict
Value is determined by performance per dollar. The ASUS ROG STRIX B860-I GAMING WIFI is priced at $179.99, while the ASRock AMD B850i Lightning WiFi 6E is listed at $207.99. Considering the ASUS ROG STRIX B860-I GAMING WIFI offers higher power stage amperage, explicit PCIe 5.0 support, and defined USB speeds at a lower cost, it presents a strong value proposition. However, the ASRock AMD B850i Lightning WiFi 6E justifies its higher price with advanced AI features and detailed thermal construction for Intel platform users. For raw specs and budget efficiency, the ASUS ROG STRIX B860-I GAMING WIFI takes the lead.