I shucked an old IDE CDROM drive for it’s case, then used a 3.5-inch adapter and a drill and some pliers and it’s LOVELY! But what’s weird is that Dell included six SATA ports on the board and only bays for two or three of them. This is a Dell Precision 5820, FWIW. 1000-watt power supply and FOLDING. Maybe two GPUs... It’s got 64 GB of RAM! Ridiculous, eh?