ASUS ThunderboltEX II Expansion Card Specifications: Chipset: Intel DSL5320 Thunderbolt 2 Controller External Connectors -1 x Thunderbolt 2 port runs up to 20Gbps -1 x DisplayPort IN port -1 x 9 pin TB header Dimensions: 3.35 x 3.94 Interface: -PCI Express 2.0 x4 interface -Compatible with PCI Express x8, and x16 slots VGA: -Supports Thunderbolt 2 Interface with max. resolution of 4096 x 2160@24Hz / 3840 x 2160@60Hz -DisplayPort 1.2 Multi-Stream Transport compliant; supports DisplayPort 1.2 monitor daisy-chain up to 3 displays Data Rate: 1 x Thunderbolt 2 port, maximum at 20Gbps bidirectional Operating System: -Windows 8.1 32/64-bit -Windows 8.1 64-bit -Windows 8 64-bit -Windows 8 32/64-bit -Windows 7 32/64-bit -Windows 7 (Ultimate SP1) 32/64-bit Accessories -1 x DisplayPort cable -1 x mini DisplayPort Cable -1 x ASUS TB header cable(linked from an ASUS motherboard's TB header to ThunderboltEX II ca...