GeeCoolGuest
GeeCoolFor the Core 7 350 as an LGA1851 desktop SKU, B860 with dual-channel DDR5 fits normal gaming and office work, while Z890 is only for CPU overclocking. Confirm BIOS, memory QVL, GPU slot, shared M.2/PCIe lanes, and USB.
OEM and mobile platforms follow the system expansion spec — don't buy a retail board from the name. Stronger VRM cooling is justified only for sustained all-core work; a gaming rig saves that money.