With racing ESC operating in extreme electrical current and temperature, we have created a more powerful fan for high power ESC, with RPM in the 20,000 range @7.2V
 
Size : 30mm x 30mm x 10mm
Operating Voltage : 6V-8.4V
RPM Range: 6V - 8.4V  20000
Current @ 8.4V: ~0.43A
Axial option: Available in ball bearings