Hardware Spec Index

Caldera FN-3999 Pro 140mm PWM Case Fan

Case Fans · Caldera · SKU FN3999-PRO · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index390 (Case Fans scale)
Category rank#14,614
Street price$9
Power4 W
Performance per dollar43.33
Released2024

Specifications

BrandCaldera
ModelCaldera FN-3999 Pro
Size140 × 140 × 25 mm
Speed500–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise27 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3999 Pro 140mm PWM Case Fan”, https://vextor7.com/item/56527392 (accessed 2026-10-25).