Each channel has 2 slots that can be filled, so yess you can use 4x4GB, but if mobo supports 8GB sticks then 2x8GB is preferable as 2 sticks is less stress on the MC (memory controller) than 4 sticks are 😉
Each channel has 2 slots that can be filled, so yess you can use 4x4GB, but if mobo supports 8GB sticks then 2x8GB is preferable as 2 sticks is less stress on the MC (memory controller) than 4 sticks are 😉