Hardware Spec Index

Caldera FN-6658 Plus 140mm PWM Case Fan

Case Fans · Caldera · SKU FN6658-PLUS · Released 2020 · Updated 2026-10-24

Key facts

Benchmark index225 (Case Fans scale)
Category rank#48,417
Street price$9
Power4 W
Performance per dollar25.00
Released2020

Specifications

BrandCaldera
ModelCaldera FN-6658 Plus
Size140 × 140 × 25 mm
Speed500–2,700 RPM (PWM)
Airflow129.6 CFM
Static pressure2.56 mmH₂O
Noise27 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6658 Plus 140mm PWM Case Fan”, https://vextor7.com/item/2434701 (accessed 2026-10-24).