Hardware Spec Index

Caldera FN-3978 Pro 120mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN3978-PRO · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index229 (Case Fans scale)
Category rank#33,785
Street price$9
Power3 W
Performance per dollar25.44
Released2022

Specifications

BrandCaldera
ModelCaldera FN-3978 Pro
Size120 × 120 × 25 mm
Speed200–2,200 RPM (PWM)
Airflow74.8 CFM
Static pressure2.42 mmH₂O
Noise34 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3978 Pro 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/7804243 (accessed 2026-10-19).