Hardware Spec Index

Caldera FN-6539 Pro 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN6539-PRO · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index632 (Case Fans scale)
Category rank#25,093
Street price$19
Power3 W
Performance per dollar33.26
Released2025

Specifications

BrandCaldera
ModelCaldera FN-6539 Pro
Size140 × 140 × 25 mm
Speed200–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise29 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6539 Pro 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/3764245 (accessed 2026-10-26).