Hardware Spec Index

Caldera FN-6557 Pro 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN6557-PRO · Released 2020 · Updated 2026-10-26

Key facts

Benchmark index444 (Case Fans scale)
Category rank#44,916
Street price$19
Power2 W
Performance per dollar23.37
Released2020

Specifications

BrandCaldera
ModelCaldera FN-6557 Pro
Size140 × 140 × 25 mm
Speed400–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise36 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6557 Pro 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/92635331 (accessed 2026-10-26).