Hardware Spec Index

Caldera FN-1521 Pro 120mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN1521-PRO · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index245 (Case Fans scale)
Category rank#31,985
Street price$9
Power4 W
Performance per dollar27.22
Released2023

Specifications

BrandCaldera
ModelCaldera FN-1521 Pro
Size120 × 120 × 25 mm
Speed400–2,600 RPM (PWM)
Airflow88.4 CFM
Static pressure2.86 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-1521 Pro 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/3740264 (accessed 2026-10-21).