Hardware Spec Index

Caldera FN-9977 Pro 140mm PWM Case Fan

Case Fans · Caldera · SKU FN9977-PRO · Released 2024 · Updated 2026-10-23

Key facts

Benchmark index621 (Case Fans scale)
Category rank#26,019
Street price$19
Power3 W
Performance per dollar32.68
Released2024

Specifications

BrandCaldera
ModelCaldera FN-9977 Pro
Size140 × 140 × 25 mm
Speed500–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise26 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-9977 Pro 140mm PWM Case Fan”, https://vextor7.com/item/6552743 (accessed 2026-10-23).