THUNDERBOLT2 TECHNOLOGY DUAL PCIEX4 2PORT TB2 ADD ON CARD UPC: 886227817665 Weight: 1.400 lbs Compatible Models: Z87-DELUXE, Z97-DELUXE, Z97-DELUXE/USB 3.1, Z97-DELUXE(NFC&WLC) *ThunderboltEX II series add-on cards are compatible with selected motherboards only.