I am able to fit an HDD and an SSD in the drive bays that it came with. However, I’d like to put as many HDDs in it as I can.

I am not using the optical drive, so I’d like to replace it. It measures at 41mm thick which is 1+5⁄8 inches: A half-height drive bay. Is there a caddy that would work with this so that I can install a Seagate Barracuda 6TB 3.5" drive in it which measures 26mm thick?