Hardware Spec Index

Caldera FN-5977 Prime 140mm PWM Case Fan

Case Fans · Caldera · SKU FN5977-PRIME · Released 2022 · Updated 2026-10-24

Key facts

Benchmark index493 (Case Fans scale)
Category rank#15,264
Street price$19
Power3 W
Performance per dollar25.95
Released2022

Specifications

BrandCaldera
ModelCaldera FN-5977 Prime
Size140 × 140 × 25 mm
Speed400–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise36 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-5977 Prime 140mm PWM Case Fan”, https://vextor7.com/item/41660272 (accessed 2026-10-24).