|R4 series fans offer a unity of maximum rotational speed and optimum airflow. Using a unique long-life sleeve bearing fan, the R4 series offers long life rating of 50,000 hours. R4 series fans perform at a maximum of 69.69CFM at 2000RPM. These R4 series are available in red, green, blue LED and dark smoke (no LED).|
great fan, i just need to measure first. that thing is huge! i had to rig things to fit in case. has a lot of air flow and reasonably quiet. LED looks cool.
BLUE AND COOLS9/20/2010
this fan works well and silent.i first installed it on side panel .i later installed in front panel on a new midtower,looks great and works well.