i currently only have a 1tb hdd and i am in the market for a sdd to put my o-s and some other small apps so i dont really need lots of space i was looking in to buying a ssd from crucial on ebay its around 40 dollars for a 120 gb model is m500. i also found a Samsung ssd 840 pro 128 gb in mint condition for around 26 dollars currently on auction ends tomorrow would any of these 2 be decent i also found a adata on amazon for around 38 dollars i dont have alot of money at the moment so ive been looking around max space i need is 120-128 gb max budget is 50 if possible or any suggestions so i can save for a good one