Hardware Spec Index

Teralux FN-3942 Prime 120mm PWM Case Fan

Case Fans · Teralux · SKU FN3942-PRIME · Released 2019 · Updated 2026-10-26

Key facts

Benchmark index396 (Case Fans scale)
Category rank#47,813
Street price$9
Power4 W
Performance per dollar44.00
Released2019

Specifications

BrandTeralux
ModelTeralux FN-3942 Prime
Size120 × 120 × 25 mm
Speed300–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise35 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-1347 Ultra 120mm PWM ARGB Case Fan (3-Pack)1,285$49Compare
Zephyra FN-9246 XT 120mm PWM ARGB Case Fan902$29Compare
Caldera FN-2628 XT 140mm PWM Case Fan430$19Compare
Zephyra FN-1706 Pro 120mm PWM ARGB Case Fan1,400$49Compare
Caldera FN-4815 Edge 120mm PWM Case Fan439$9Compare
Corvane FN-3639 SE 140mm PWM Case Fan534$19Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Teralux FN-3942 Prime 120mm PWM Case Fan”, https://vextor7.com/item/32390509 (accessed 2026-10-26).