Asus Thunderbolt 3 PCI Adapter Chipset Intel® Thunderbolt™ 3 Controller Interface PCI Express 3.0 x4 (compatible with PCI Express x16/x8/x4 slots) External Connectors 1 x Thunderbolt™ 3 port (USB TypeC) - up to 40Gbps for Thunderbolt devices - up to 10Gbps for USB 3.1 Gen 2 devices - up to 12V/3A, 36W charging support 1 x USB 3.1 Gen 2 port (Type-A, support up to 10Gbps) 1 x 9 pin TB header Operating System Windows® 10 Windows® 8.1 64-bit Windows® 8 64-bit Windows® 7 32-bit Windows® 7 64-bit Accessories 1 x mini DisplayPort Cable (links graphics output from motherboard’s or discrete graphics card’s DisplayPort to the mini DisplayPort IN port on the ThunderboltEX 3 card) 1 x ASUS TB header cable (connects ASUS motherboard´s TB header with ThunderboltEX 3 card´s TB header) Support Disc Thunderbolt™ 3 driver inside Compatible Model WS C422 SAGE/10G WS C422 PRO/SE ROG RAMPAGE VI EXTREME PRIME X299-DELUXE PRIME X299-A PRIME X299-A II TUF X299 MARK 1 TUF X299 MARK 2 WS X299 SAGE/10G WS X299 PRO/SE WS X299 SAGE WS X299 PRO ROG MAXIMUS XI EXTREME PRIME Z390-A WS Z390 PRO PRIME Z370-A PRIME Z370-A II MAXIMUS IX HERO PRIME Z270-A PRIME Z270-AR TUF Z270 Mark 1 Z270-WS Z170-PREMIUM Z170-DELUXE Z170-PRO Z170-A Z170-AR SABERTOOTH Z170 MARK 1 SABERTOOTH Z170 S MAXIMUS VIII EXTREME MAXIMUS VIII HERO MAXIMUS VIII RANGER X99-DELUXE II X99-DELUXE X99-DELUXE/U3.1 X99-PRO/USB 3.1 X99-PRO X99-A/USB 3.1 X99-A X99-A II X99-E SABERTOOTH X99 RAMPAGE V EXTREME/U3.1 RAMPAGE V EXTREME X99-E WS/USB3.1* X99-E WS* VGA Supports DisplayPort 1.2* with max. resolution 4096 x 2160@60/24Hz Note * X99-E WS/USB 3.1 and X99-E WS support ThunderboltEX 3 card at PCIEX16_ 2 slot. Dimensions 3.35 inch x 3.94 inch (10cm*8.5cm) https://www.asus.com/Motherboards- Components/Motherboards/Accessories/ThunderboltEX-3/techspec