Hardware Spec Index

Caldera FN-9977 Prime 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN9977-PRIME · Released 2023 · Updated 2026-10-25

Key facts

Benchmark index218 (Case Fans scale)
Category rank#14,253
Street price$9
Power2 W
Performance per dollar24.22
Released2023

Specifications

BrandCaldera
ModelCaldera FN-9977 Prime
Size140 × 140 × 25 mm
Speed300–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise34 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-9977 Prime 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/7677066 (accessed 2026-10-25).