Hardware Spec Index

Caldera FN-9939 Prime 140mm PWM Case Fan

Case Fans · Caldera · SKU FN9939-PRIME · Released 2022 · Updated 2026-10-23

Key facts

Benchmark index357 (Case Fans scale)
Category rank#46,795
Street price$9
Power3 W
Performance per dollar39.67
Released2022

Specifications

BrandCaldera
ModelCaldera FN-9939 Prime
Size140 × 140 × 25 mm
Speed400–2,200 RPM (PWM)
Airflow105.6 CFM
Static pressure2.09 mmH₂O
Noise23 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-9939 Prime 140mm PWM Case Fan”, https://vextor7.com/item/91666764 (accessed 2026-10-23).