Ninjalane has posted an investigative article into the advantages of triple channel memory on the i7
>> Core i7 Dual Channel vs Triple Channel Memory Test
We left this testing session with the opinion that the triple channel configuration is a definite plus for the consumer and happens to be very logical progression in the ever increasing performance of memory. We also got a glimpse into how far the technology has come when compared to an older DDR2 system.
>> Core i7 Dual Channel vs Triple Channel Memory Test