I just finished my build, and inside I have a 120gb ssd, and a 1 tb HDD. What I'm worried about is that the HDD is too slow for enjoying programs. Its a 2007 dell OEM Hitachi deskstar.... and from what I read was one of the first, of not the first to hit the market. I got it for free... And it's 7200 rpm, so it seems fine, but it's pretty darn old so you never know.