Thermalright's TR-X Silent fans
offer an efficient 11 fan blade design which offers higher CFM output at lower
noise and voltage settings. The liquid state bearing offers 50,000 hours of life
which allows Thermalright to back their X-Silent series fans with a one year
warranty. The fan operates at 7 volts which makes it consume less power,
offering a green solution to a low noise, low usage computing system.