I want to attach SSD card through PCIe slot of my FPGA cyclone V GT development board. Is it possible?

Hi,

Your SSD Card is PCIe endpoint? And the FPGA as root port? If yes, I guess you may need to consider to use Cyclone V SOC development kit.

The following link may be helpful to you.

https://rocketboards.org/foswiki/Projects/PCIeRootPort

Regards -SK