Hardware Spec Index

Caldera FN-6557 SE 140mm PWM Case Fan

Case Fans · Caldera · SKU FN6557-SE · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index252 (Case Fans scale)
Category rank#44,119
Street price$9
Power4 W
Performance per dollar28.00
Released2019

Specifications

BrandCaldera
ModelCaldera FN-6557 SE
Size140 × 140 × 25 mm
Speed300–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise23 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6557 SE 140mm PWM Case Fan”, https://vextor7.com/item/74897492 (accessed 2026-10-23).