It has been confirmed that Bloomfield (Core i7) CPUs will initially support only DDR3 800 and 1066 MHz memory. DDR3 1333 MHz support will not will be part of Intel's initial equation, yet would be within reach via dabbling in the arts of overclocking.
Speeds in excess of DDR3 1600 are also possible, yet will of course not be supported by Intel.
The article concludes with claims that Intel may, shortly after launch, validate support for DDR3 1333 MHz and higher, yet further information is not available at this time.
Further Reading: Read and find more RAM news at our RAM news index page.