Hardware Spec Index

Caldera FN-6550 Prime 140mm PWM Case Fan

Case Fans · Caldera · SKU FN6550-PRIME · Released 2020 · Updated 2026-10-23

Key facts

Benchmark index535 (Case Fans scale)
Category rank#15,788
Street price$19
Power3 W
Performance per dollar28.16
Released2020

Specifications

BrandCaldera
ModelCaldera FN-6550 Prime
Size140 × 140 × 25 mm
Speed500–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise35 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6550 Prime 140mm PWM Case Fan”, https://vextor7.com/item/17801846 (accessed 2026-10-23).