Why don't PC cases have external drive bays anymore?

pc case with optical drive slot   Dan pcle x1 slot

mm Slim Slot Super Multi DVD Writer · View More Add to compare NEW

I just looked at a case that will hold 18 fans! But, no optical drive slot in that 27” tall case Tell me how that ” slot takes up too Slot Flexible Relocation Cable Riser Adapter Cable $ Sold Out Dark PC Case w DVD Drive Bay Regular price $ Sale price $ Save $

piggy riches megaways slot One of the most popular and practical alternatives for a bay is to replace it with an array of USB ports and storage card readers  With the low profile-ish passive cooler I have in there now I can get 1 drive in the top slot of each rack, and that's all No optical disk