Hardware Spec Index

Caldera FN-2521 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN2521-ULTRA · Released 2022 · Updated 2026-10-23

Key facts

Benchmark index404 (Case Fans scale)
Category rank#6,493
Street price$9
Power3 W
Performance per dollar44.89
Released2022

Specifications

BrandCaldera
ModelCaldera FN-2521 Ultra
Size120 × 120 × 25 mm
Speed200–2,000 RPM (PWM)
Airflow68.0 CFM
Static pressure2.20 mmH₂O
Noise33 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-2521 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/1600358 (accessed 2026-10-23).