You need to post your motherboard model. But since it has a 1155 socket for the CPU, I assume that it also has at least PCIe 2.0x16 which is more than fine for GTX 660.
You need to post your motherboard model. But since it has a 1155 socket for the CPU, I assume that it also has at least PCIe 2.0x16 which is more than fine for GTX 660.