Hardware Spec Index

Caldera FN-9977 Pro 140mm PWM Case Fan

Case Fans · Caldera · SKU FN9977-PRO · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index662 (Case Fans scale)
Category rank#30,980
Street price$19
Power3 W
Performance per dollar34.84
Released2023

Specifications

BrandCaldera
ModelCaldera FN-9977 Pro
Size140 × 140 × 25 mm
Speed200–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise31 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-9977 Pro 140mm PWM Case Fan”, https://vextor7.com/item/20038417 (accessed 2026-10-21).