Hardware Spec Index

Caldera FN-3978 Plus 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN3978-PLUS · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index603 (Case Fans scale)
Category rank#9,677
Street price$19
Power4 W
Performance per dollar31.74
Released2019

Specifications

BrandCaldera
ModelCaldera FN-3978 Plus
Size140 × 140 × 25 mm
Speed300–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise34 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3978 Plus 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/53470787 (accessed 2026-10-22).