Hardware Spec Index

Caldera FN-3933 Prime 140mm PWM Case Fan

Case Fans · Caldera · SKU FN3933-PRIME · Released 2019 · Updated 2026-10-26

Key facts

Benchmark index253 (Case Fans scale)
Category rank#5,430
Street price$9
Power2 W
Performance per dollar28.11
Released2019

Specifications

BrandCaldera
ModelCaldera FN-3933 Prime
Size140 × 140 × 25 mm
Speed500–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise30 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3933 Prime 140mm PWM Case Fan”, https://vextor7.com/item/15533170 (accessed 2026-10-26).