Question Need help adding thunderbolt 2/3 connection to Asus ROG Strix Z390-I gaming

sa1nt

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Jul 8, 2010
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Hi, i created a build for work computer but forgot that my workplace needs thunderbolt connection for external gpu (helios3) which is used to house Blackmagic decklink quad 2 video capturing card.
pcie slot is already taken by RTX 2070 i have spare m.2 and sata connection. Any solutions are welcome even another external gpu box but cheapest and most hassle-free options are prefered.

In great Need of your help guys my a$$ is on the line :(

Motherboard: https://www.asus.com/Motherboards/ROG-STRIX-Z390-I-GAMING/
Case: https://www.in-win.com/en/gaming-chassis/a1-plus
Cpu: 9900k
Video Capturing Card: https://www.blackmagicdesign.com/products/decklink/techspecs/W-DLK-30