Don't know if you're still looking for something ... but something like this should work ... effectively just converts one of the headers to USB-C and I think it's a bit cheaper than the Silverstone ... good luck!
https://www.amazon.com/dp/B07WG8ZJ41/ref=sspa_dk_detail_1?pd_rd_i=B07WG8ZJ41&pd_rd_w=78xOk&pf_rd_p=45a72588-80f7-4414-9851-786f6c16d42b&pd_rd_wg=FOlbP&pf_rd_r=6W1P0ESFBPF9VV9AE65P&pd_rd_r=a8e96d7c-8eda-4721-a0cc-5d03cb6a7c3f&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUEzTFdHOEdSWklaNURQJmVuY3J5cHRlZElkPUEwMzUxNzk2MTlHMUpaOUJRSVFLWSZlbmNyeXB0ZWRBZElkPUEwNTA3NDk0TzMwT0xLT0JTR1ZEJndpZGdldE5hbWU9c3BfZGV0YWlsJmFjdGlvbj1jbGlja1JlZGlyZWN0JmRvTm90TG9nQ2xpY2s9dHJ1ZQ&th=1
