Hardware Spec Index

Caldera FN-5977 Pro 120mm PWM Case Fan

Case Fans · Caldera · SKU FN5977-PRO · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index395 (Case Fans scale)
Category rank#35,742
Street price$9
Power4 W
Performance per dollar43.89
Released2020

Specifications

BrandCaldera
ModelCaldera FN-5977 Pro
Size120 × 120 × 25 mm
Speed400–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise25 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-5977 Pro 120mm PWM Case Fan”, https://vextor7.com/item/3843583 (accessed 2026-10-21).