Updated with current prices, as of 4/5/2018. The Intel core i7 2600K is the best processor option for the LGA 1555 Socket. Why? Because it can be found a lot cheaper than the i7 2700K or the i7 3770K that is only 5% faster.4 abr 2018
What RAM is compatible with LGA 1155?
The best option of the fastest lga 1155 cpu is the i7 3770 or the i7 3770k. The i7 3770k base clock is 3.5 ghz and boost clock is 3.9 ghz. It supports upto 32 gb Ddr3 1333/1600 mhz ram.
Will a 1150 CPU fit an 1151?
Simply no. As a prevention the CPU also won't fit. And even if you fit the CPU somehow, it won't be compatible, especially due to the fact that LGA 1150 Haswell CPUs have internal memory controller for DDR3, while Skylake and Kaby Lake have an integrated memory controller for DDR4.