Hardware Spec Index

Caldera FN-3221 SE 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN3221-SE · Released 2025 · Updated 2026-10-22

Key facts

Benchmark index761 (Case Fans scale)
Category rank#1,696
Street price$29
Power4 W
Performance per dollar26.24
Released2025

Specifications

BrandCaldera
ModelCaldera FN-3221 SE
Size140 × 140 × 25 mm
Speed500–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise35 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3221 SE 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/2559624 (accessed 2026-10-22).