Motherboard PCI Express x16

Haruishio

Commendable
Jul 22, 2016
8
0
1,510
So today I was just looking at my motherboard (GA-Z77M-D3H) which has 2 PCI Express x16 slots, but the 2nd slot only has half the pins.
On the Gigabyte's website it says the motherboard supports 2-way CrossFireX.
Is this intended or may it be a defect?