Thanks for measuring it, kiblams! Sometimes it's hard to know which number is supposed to be the height. I'm somewhat turned off by Noctua, since I'd have to pay for expensive fans that I won't use (I only need one fan since the case fan is right next to it and I would like to have a lower RPM PWM-f...

I checked the NH-U9B again; it's 125mm high.

I have a quiet configuration (two Scythe Slipstream@400rpm for the case, an SSD instead of an HDD) and are looking for a CPU heatsink that's also inaudible. The case constaints it to about 130mm height (in a HTPC case) and enough clearance for the non-low-profile Corsair memory. CPU is an Intel 2500...