Hardware Spec Index

Caldera FN-6547 Ultra 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN6547-ULTRA · Released 2019 · Updated 2026-10-24

Key facts

Benchmark index1,350 (Case Fans scale)
Category rank#2,250
Street price$49
Power3 W
Performance per dollar27.55
Released2019

Specifications

BrandCaldera
ModelCaldera FN-6547 Ultra
Size140 × 140 × 25 mm
Speed300–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise30 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6547 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/4649112 (accessed 2026-10-24).