Hardware Spec Index

Caldera FN-6490 Pro 140mm PWM Case Fan

Case Fans · Caldera · SKU FN6490-PRO · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index540 (Case Fans scale)
Category rank#4,420
Street price$19
Power4 W
Performance per dollar28.42
Released2025

Specifications

BrandCaldera
ModelCaldera FN-6490 Pro
Size140 × 140 × 25 mm
Speed400–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise29 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6490 Pro 140mm PWM Case Fan”, https://vextor7.com/item/1617360 (accessed 2026-10-25).