Well, if you're only going to be putting games on it, then it might be fine...I have microsoft professional, firefox, and other startup programs on there...right now, with only 1 games installed on my SSD that doesn't require steam, i have 20gb free...but if you have many games you want on there, or if you'd play it safe, I'd spend the extra to get the 120gb so you don't have to worry about installing your games on an extra drive..