Thunderbolt 2 help

Hey there folks..

Here is my build issue. Just completed a full build and ALL is working perfectly save one issue, thunderbolt 2 (pcie card). Is there anyway to get this working?

Current build:
GIGABYTE GA-Z170X-UD5
EVGA GeForce GTX 950
Crucial Ballistix Sport LT 32GB
CORSAIR RM Series RM650 650W
SAMSUNG 850 EVO M.2 500GB
Intel Core i7-6700K
Corsair Hydro Series H100i
ASUS...

Thunderbolt 2 help