Hardware Spec Index

Caldera FN-6549 Ultra 120mm PWM Case Fan

Case Fans · Caldera · SKU FN6549-ULTRA · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index292 (Case Fans scale)
Category rank#22,452
Street price$9
Power4 W
Performance per dollar32.44
Released2021

Specifications

BrandCaldera
ModelCaldera FN-6549 Ultra
Size120 × 120 × 25 mm
Speed500–2,700 RPM (PWM)
Airflow91.8 CFM
Static pressure2.97 mmH₂O
Noise22 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6549 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/3672310 (accessed 2026-10-21).