If you havent installed your 3700 yet look for the steeping on the chip itself . I ahve a KABCE 3700, and it does 3003 mhz . The newer steepings are just as good and most people are getting 2.8ghz on air (thats FX-57 speeds for 1/4th the cost ) . But if you not going to overclock,regular pc3200 is fine .