Hardware Spec Index

Caldera FN-9921 Core 120mm PWM Case Fan

Case Fans · Caldera · SKU FN9921-CORE · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index224 (Case Fans scale)
Category rank#3,269
Street price$9
Power2 W
Performance per dollar24.89
Released2023

Specifications

BrandCaldera
ModelCaldera FN-9921 Core
Size120 × 120 × 25 mm
Speed200–1,400 RPM (PWM)
Airflow47.6 CFM
Static pressure1.54 mmH₂O
Noise30 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-9921 Core 120mm PWM Case Fan”, https://vextor7.com/item/1150656 (accessed 2026-10-21).