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MSI MAG B860 Tomahawk & MAG B860M Mortar Motherboards Review

Hassan Mujtaba

Test Setup

For testing, I used the Intel Core Ultra 9 285K CPU which was sent to us by Intel on a range of B860 motherboards while using a high-end Z890 motherboard as the baseline for performance.

Intel LGA 1851 "B860" Motherboard Test Platform:

ProcessorsIntel Core Ultra 9 285K
MotherboardMSI MAG B860 Tomahawk WIFI (7E39v1B4)
MSI MAG B860M Mortar WIFI (7E40v1A4)
ASRock B860 Lightning WIFI (1.21)
ASRock B860I Lightning WIFI (1.13)
ASRock B860 Steel Legend (1.21)
ASRock B860 LiveMixer WIFI (1.24)
Power SupplyFSP Hydro G 1200W PSU
Solid State DriveCrucial T700 2 TB Gen5 SSD
MemoryT-Force Delta RGB DDR5-7200 (CL34 2 x 16 GB)
Video CardsNVIDIA GeForce RTX 4090 Founders Edition
Cooling SolutionsArctic Liquid Freezer III 420mm AIO
OSWindows 11 64-bit

Our test rig includes the Crucial T700 2 TB Gen5 SSD that boots up our main OS. In addition to these, we are running an NVIDIA GeForce RTX 4090 Founders Edition graphics card and an FSP Hydro G 1200W PSU. For this specific review, we used the Kingston Fury Beast DDR5-8200 (48 GB) memory kit running at CL40 timings.

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Hassan Mujtaba Photo

About the author: A Software Engineer by training and a PC enthusiast by passion, Hassan Mujtaba serves as Wccftech's Senior Editor for hardware section. With years of experience in the industry, he specializes in deep-dive technical analysis of next-generation CPU and GPU architectures, motherboards, and cooling solutions. His work involves not only breaking news on upcoming technologies but also extensive hands-on reviews and benchmarking.

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