sandy, 2nd gen
ivy, 3rd gen
haswell, 4th gen
how to know it and check out these..?
well..
just go to the computer store nearest you, and say..
"sir, i want to buy a motherboard with with Z68 or z77 chipset", if you want to pair it with sandy..
"sir, i want to buy a motherboard with with z77 chipset", if you want to pair it with ivy..
and
"sir, i want to buy a motherboard with with z87 chipset", if you want to pair it with haswell class..
This is the easiest way, for me and for you..
If you wanna detailed explanation, please use google..