A:AnswerThere are two places for a conventional drive. One holds a 3.5" and one a 2.5". They aren't bays, the drives basically bolt to flat areas on the chassis. However you'd need a SATA 15-pin Power Y-Splitter cable to split the ONE power supply wire that Dell provides.
There's also a slot on the motherboard for an NVME SSD.
A:AnswerYes the PC does come with a keyboard just not the best keyboard but it will do the job until you want to buy a new keyboard. (Also comes with a Mouse)