Hardware Spec Index

Caldera FN-3990 Prime 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN3990-PRIME · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index523 (Case Fans scale)
Category rank#27,995
Street price$19
Power4 W
Performance per dollar27.53
Released2024

Specifications

BrandCaldera
ModelCaldera FN-3990 Prime
Size140 × 140 × 25 mm
Speed300–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise27 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3990 Prime 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/9706718 (accessed 2026-10-19).