Can I use Physical Memory Region with Connect-X3 and mlx4 ?

I only have Connect-X3 card on the cluster. I am wondering if I can use Physical Memory Region that is described below in Connect-X3 and mlx4.

https://community.mellanox.com/s/article/physical-address-memory-region

Hi Juhyun,

As you have a valid support contract with us, I will be creating a support ticket and emailing you from the ticket shortly.

Thanks,

Namrata.