Can I put an HDD in a PC tower optical drive bay?

I was trying to investigate if the Dan Case A4 and the S4 MiniSkyreach 4 Mini had slots to accomodate a slim autoloading drive,

A drive bay is a standard-sized area for adding hardware to a computer Most drive bays are fixed to the inside of a case, but some can be removed

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pc m2 slot Antec GX202 Mid-Tower ATX Computer CabinetGaming Case 3 HDD and 4 SSD mounts