Noctua NF-A8 80mm PWM Fan

The Noctua NF-A8 is a premium quality quiet 80mm PWM fan with a square frame that complies with Noctua's AAO (Advanced Acoustic Optimisation) standard. It provides a rotational speed of up to 2200RPM, 17.7dB(A) and comes with a low-noise adaptor. Its superb running smoothness, reference-class SSO2 bearing and Noctua's trusted premium quality make it an elite choice for the highest demands. Backed by a 6 year Noctua warranty.

PureOverclock Review
"If you need good air flow, low noise and have a small form factor case that needs some better fans, I could definitely recommend what Noctua has to offer here." Full review