Reddit reviews Supermicro RSC-R1U-E16R Rsc-R1U-E16R Riser Card
We found 1 Reddit comments about Supermicro RSC-R1U-E16R Rsc-R1U-E16R Riser Card. Here are the top ones, ranked by their Reddit score.
Sold Individually
https://www.amazon.com/gp/product/B06W2HJKVC
However, I only needed an 8x adapter, so...
https://www.amazon.com/gp/product/B000ZTEFGG
So if you need a 16x slot:
https://www.amazon.com/Supermicro-RSC-R1U-E16R-Rsc-R1U-E16R-Riser-Card/dp/B00MJ5AWR0
Hope that helps
Edit: I haven't installed the angled bracket yet.