What should I put in the optical drive slot thing on my computer?

What should I put in the optical drive slot thing on my computer? pc case with dvd drive slot Hey, I building something for my computer case that will fit in a standard drive bay but before I get going with the design and pcie slot x16 PC Case w DVD Drive Bay Regular price $ Sale price $ Save $ Dark Player ONE M-ATX PC Case w DVD Bay The Dark Player ONE is a mini-tower M-

pcie slot x16 I bought a Thermaltake Versa H17 Black SPCC Micro ATX Mini Tower Gaming Computer Case, but did not notice it didn't have a front BDDVD opening

pciex16 slot Optical Disk Drive · External Optical Disk Drive · Internal Optical Disk Drive slot: HDD*2, SSD*2; 200W Original PSU Built-in; x2, Mic I find the easiest way to go about this is by placing the optical drive back into your PC pushing it further to the back of the cage than