Amazon.com: Intel Core i5-8400 Desktop Processor 6 Cores up to 4.0 GHz LGA 1151 300 Series 65W : Electronics
Best motherboard for Intel i5 8400: If you are building a computer around a motherboard to support the i5 8400 processor, then the Asus Prime Q370M-C is an excellent choice for both
Intel Core i7-8700K and i5-8400 Coffee Lake CPU Review
What is the best motherboard and graphics card for an Intel Core i5-8400 processor? - Quora
What is the best motherboard and graphics card for an Intel Core i5-8400 processor? - Quora
Intel Core i7-8700K And Core i5-8400 Review: Coffee Lake - More Cores, Performance And Value | HotHardware