Hardware Spec Index

Caldera FN-3976 Plus 120mm PWM Case Fan

Case Fans · Caldera · SKU FN3976-PLUS · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index444 (Case Fans scale)
Category rank#18,150
Street price$19
Power4 W
Performance per dollar23.37
Released2019

Specifications

BrandCaldera
ModelCaldera FN-3976 Plus
Size120 × 120 × 25 mm
Speed200–2,700 RPM (PWM)
Airflow91.8 CFM
Static pressure2.97 mmH₂O
Noise33 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3976 Plus 120mm PWM Case Fan”, https://vextor7.com/item/76981409 (accessed 2026-10-25).