A:AnswerSSD no moving parts thus silent and does't cause heat and newer technology much much faster most likely to last much much longer then older HDD. And HDD is older technology with moving parts in it causes heat ,slower works louder and more prone to failing.
A:AnswerYes, this laptop should be able to handle most games without issues, although some of the more robust ones would do better with an i7 processor and dedicated graphics card.