Fantech NC20 RGB Laptop CoolerThe Fantech NC20 RGB Laptop Cooler has a 10-segment RGB lighting mode. It features a primary fan with dimensions of 140x140x15mm and a tiny fan with dimensions of 60x60x15mm(4). This cooler has a primary fan speed of 1400 +/- 10% RPM and a tiny fan speed of 2500 +/- 10%..