Hardware Spec Index

Caldera FN-3521 Prime 120mm PWM Case Fan

Case Fans · Caldera · SKU FN3521-PRIME · Released 2024 · Updated 2026-10-26

Key facts

Benchmark index345 (Case Fans scale)
Category rank#8,997
Street price$9
Power3 W
Performance per dollar38.33
Released2024

Specifications

BrandCaldera
ModelCaldera FN-3521 Prime
Size120 × 120 × 25 mm
Speed500–2,000 RPM (PWM)
Airflow68.0 CFM
Static pressure2.20 mmH₂O
Noise32 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3521 Prime 120mm PWM Case Fan”, https://vextor7.com/item/6663475 (accessed 2026-10-26).