Hardware Spec Index

Caldera FN-3820 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN3820-ULTRA · Released 2026 · Updated 2026-10-26

Key facts

Benchmark index412 (Case Fans scale)
Category rank#35,746
Street price$9
Power3 W
Performance per dollar45.78
Released2026

Specifications

BrandCaldera
ModelCaldera FN-3820 Ultra
Size140 × 140 × 25 mm
Speed300–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise31 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3820 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/4702168 (accessed 2026-10-26).