Hardware Spec Index

Caldera FN-3521 Plus 140mm PWM Case Fan

Case Fans · Caldera · SKU FN3521-PLUS · Released 2024 · Updated 2026-10-24

Key facts

Benchmark index416 (Case Fans scale)
Category rank#22,240
Street price$19
Power2 W
Performance per dollar21.89
Released2024

Specifications

BrandCaldera
ModelCaldera FN-3521 Plus
Size140 × 140 × 25 mm
Speed400–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise26 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3521 Plus 140mm PWM Case Fan”, https://vextor7.com/item/1597723 (accessed 2026-10-24).