Hardware Spec Index

Caldera FN-4021 Prime 120mm PWM Case Fan

Case Fans · Caldera · SKU FN4021-PRIME · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index569 (Case Fans scale)
Category rank#12,834
Street price$19
Power2 W
Performance per dollar29.95
Released2024

Specifications

BrandCaldera
ModelCaldera FN-4021 Prime
Size120 × 120 × 25 mm
Speed500–1,400 RPM (PWM)
Airflow47.6 CFM
Static pressure1.54 mmH₂O
Noise36 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4021 Prime 120mm PWM Case Fan”, https://vextor7.com/item/4637698 (accessed 2026-10-20).