Hardware Spec Index

Caldera FN-9921 Max 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN9921-MAX · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index650 (Case Fans scale)
Category rank#40,068
Street price$19
Power4 W
Performance per dollar34.21
Released2019

Specifications

BrandCaldera
ModelCaldera FN-9921 Max
Size140 × 140 × 25 mm
Speed500–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise29 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-9921 Max 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/3107809 (accessed 2026-10-21).