Hardware Spec Index

Caldera FN-3821 Prime 120mm PWM Case Fan

Case Fans · Caldera · SKU FN3821-PRIME · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index757 (Case Fans scale)
Category rank#20,222
Street price$19
Power3 W
Performance per dollar39.84
Released2020

Specifications

BrandCaldera
ModelCaldera FN-3821 Prime
Size120 × 120 × 25 mm
Speed500–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise24 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3821 Prime 120mm PWM Case Fan”, https://vextor7.com/item/9739138 (accessed 2026-10-22).