Sigma Pro 120 PWM

Silent operation

Sigma Pro series are very silent thanks to modern HBS bearing (Hydraulic Bearing System)

Sigma Pro 120 PWM is silent fan made mainly for PC cases. Thanks to standarized, 120 mm frame Sigma Pro fan has broad compatibility list. Precisely engineered blades provide improved airflow and silent operation. PWM function allows most motherboards on a market to automatically adjust rotation speed in 500-1600 RPM range

  • Ultra-silent operation
  • stylish look
  • Smooth and reliable HBS bearing
  • anti-vibration pads
  • Fully-sleeved black cable
  • 4-pin PWM connector

Classic look

The fan’s classic black color matches most cases and its coated power cable enables to maintain an efficient cable arrangement and is easy to lay.


The set also includes silicone pads for screws which reduce vibration.

Technical specification

  • Size (mm):120×120×25
  • Bearing type:HBS (Hydraulic)
  • Fan speed (RPM):500 - 1600
  • Rated voltage - Fan (V):12
  • Rated current - Fan (A):0.18
  • Air flow (CFM):46.50
  • MTBF (h):50 000
  • Connector:4 PIN PWM
  • EAN:5904730204293
  • Product code:SPC134
  • NET WEIGHT [g]:118
  • GROSS WEIGHT [g]:145
  • BOX DIMENSIONS [mm]:174×125×28