The difference between Type A and Type B is the orientation of the connector. As a result, they bend in the opposite directions.

Please check the PCIE ports on your GPU and compare them with the below photo.

For Type A, the clip/lock on the PCIE connector is at the bottom.
For Type B, the clip/lock on the PCIE connector is at the top.

Updated on: 14 / 03 / 2021