The core i3. i5 and i7 (LGA 1156) are all dual channel, but it depends on the motherboard how many memory modules they can take, usually 4, but some only offers 2.
Core i7 (LGA 1366) is tripple channel, and again it depends on motherboard how many memory modules, usually 6, but some only offers 3.
Same holds true for the core i3. i5 and i7 on the LGA 1155 socket... All are dual channel, but it depends on the motherboard how many memory modules they can take, usually 4, but some only offers 2.
The core i3. i5 and i7 (LGA 1156) are all dual channel, but it depends on the motherboard how many memory modules they can take, usually 4, but some only offers 2.
Core i7 (LGA 1366) is tripple channel, and again it depends on motherboard how many memory modules, usually 6, but some only offers 3.