Hardware Spec Index

Caldera FN-3940 SE 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Caldera · SKU FN3940-SE · Released 2022 · Updated 2026-10-22

Key facts

Benchmark index1,230 (Case Fans scale)
Category rank#48,926
Street price$39
Power3 W
Performance per dollar31.54
Released2022

Specifications

BrandCaldera
ModelCaldera FN-3940 SE
Size120 × 120 × 25 mm
Speed500–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise27 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Caldera FN-7714 Ultra 140mm PWM Case Fan (3-Pack)221$9Compare
Caldera FN-6667 Ti 120mm PWM ARGB Case Fan1,374$49Compare
Corvane FN-4483 SE 120mm PWM Case Fan528$19Compare
Corvane FN-5447 Max 120mm PWM ARGB Case Fan1,400$49Compare
Teralux FN-6386 Ti 120mm PWM Case Fan414$19Compare
Brontix FN-4038 Ti 120mm PWM Case Fan379$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Caldera FN-3940 SE 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/5081939 (accessed 2026-10-22).