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

Difference Between Computer Case Sizes Explained pc case with optical drive slot Some mid-tower cases support lengths 360mm radiators and triple-slot tower cases with optical drive bays That's reserved for a select pcieslot Optical Drives, PC Case, PCIE Wireless Adapter, Pen Tablet, Portable SPECIFICATION Case Size Mid Tower Motherboard Support ATX Drive Bays 4 x Bay

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