I think the nh-d14 uses a 120mm fan in front and a 140mm fan in the center. The one in the center is a round frame while the p14s is a square fan. You'd probably want the nf-p14r which is a round frame.
I think the nh-d14 uses a 120mm fan in front and a 140mm fan in the center. The one in the center is a round frame while the p14s is a square fan. You'd probably want the nf-p14r which is a round frame.