Hardware Spec Index

Caldera FN-6558 Plus 140mm PWM Case Fan

Case Fans · Caldera · SKU FN6558-PLUS · Released 2022 · Updated 2026-10-25

Key facts

Benchmark index751 (Case Fans scale)
Category rank#12,774
Street price$19
Power3 W
Performance per dollar39.53
Released2022

Specifications

BrandCaldera
ModelCaldera FN-6558 Plus
Size140 × 140 × 25 mm
Speed500–1,700 RPM (PWM)
Airflow81.6 CFM
Static pressure1.61 mmH₂O
Noise33 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6558 Plus 140mm PWM Case Fan”, https://vextor7.com/item/89934827 (accessed 2026-10-25).