Today we have with us a nice selection of fans from BitFenix. We have the 120mm and 140mm variants of the BitFenix Spectre Pro PWM series. In addition to that we also have the 120mm and 140mm variants of the BitFenix Spectre LED PWM series. It is also worth nothing the Spectre series also includes the Spectre Pro LED, Spectre Pro, Spectre, Spectre PWM and Spectre LED fans. If you aren’t confused by now then I guess you are ready for this review!
The PWM variants of the Spectre series have been designed mainly with CPU heatsink and radiator operation in mind. If you want case fans then the cheaper non PWM versions are available to suit those needs.
Full specifications of all four of these fans can be seen in below table.