Hardware Spec Index

Caldera FN-9921 Prime 120mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN9921-PRIME · Released 2024 · Updated 2026-10-21

Key facts

Benchmark index586 (Case Fans scale)
Category rank#26,551
Street price$19
Power3 W
Performance per dollar30.84
Released2024

Specifications

BrandCaldera
ModelCaldera FN-9921 Prime
Size120 × 120 × 25 mm
Speed300–2,200 RPM (PWM)
Airflow74.8 CFM
Static pressure2.42 mmH₂O
Noise35 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-9921 Prime 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/12475280 (accessed 2026-10-21).