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ARCTIC S12038-8K server fan, 120 × 120 × 38 mm, 4-pin

20.20 €
Products ID: 149950
In supplier warehouse Available to order: 2 pcs. Delivery Time 5–10 business days

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The ARCTIC S12038-8K is a 120 × 120 × 38 mm fan designed for continuous cooling in servers and industrial systems. It fits server cases from 3U and can replace a CPU or radiator fan, or provide system ventilation.

Adjustable airflow

Speed can be adjusted from 800 to 8000 rpm using PWM or voltage regulation. Maximum airflow is 370 m³/h, while static pressure of 37 mm H₂O helps move air through closely spaced cooling fins.

  • Bearing construction: two Japanese ball bearings in a brass housing support impeller stability.
  • Active motor cooling: an additional impeller in the fan hub cools the motor.
  • Motor protection: reverse polarity, overvoltage and overcurrent protection are provided.

Connection and power

The fan has a 4-pin connector and a 300 mm cable. It also supports connection and control through 2-pin or 3-pin headers. It requires 12 V DC power, with a specified current of 2.2 A and a maximum current of 3.2 A.


Speed800–8000 rpm
Airflow220 CFM / 370 m³/h
Static pressure37 mm H₂O
BearingDual ball bearing with brass housing
Speed controlPWM
Voltage / current12 V DC / 2.2 A
Maximum current3.2 A
Starting voltage6.5 V DC
Connector2510 4-pin fan connector
Flammability ratingUL 94 V-0
Motor protectionReverse polarity, overvoltage and overcurrent protection
Cable length300 mm
ColourBlack
Dimensions120 × 120 × 38 mm
Weight328 g
Operating modeDesigned for continuous operation
Additional speed regulationVoltage regulation
Server case formatFrom 3U
Motor coolingActive cooling via an additional impeller in the fan hub
Other connection optionsConnection and control via 2-pin or 3-pin headers
EAN4895213704762
Can it connect to a 3-pin header?

Yes. Although it has a 4-pin connector, it also supports connection and control through 2-pin or 3-pin headers.

Which server cases does it fit?

It fits server cases from 3U. The fan measures 120 × 120 × 38 mm.