Cooler Master MegaFlow 200mm Black Computer Case Cooling Fan R4-MFJR-07FK-R1
exact same fan but comes with no bolts. you would need to get a set of 6-32x3/8 (4)
Listed on amazon for about 15 bucks. Or you can go to cooler masters web sight and purchase direct.
So far I don't seem to have an issue. But I do have a 140mm radiator on the back with a high static pressure fan blowing out.