
The Intel Core i7 processor in concert with the Intel X58 chipset (currently the only chipset that supports the Core i7) can use only DDR3 SDRAM modules. The officially-supported DDR3 memory speed that the X58 supports is 1,066MHz—and 6GB (2GBx3) 1,066MHz DDR3 SDRAM kits current sell for less than $200. But that doesn't mean that with the proper cooling solutions, motherboard, and BIOS settings that you can't run an X58 motherboard and Core i7 processor with much faster memory...