Hardware Spec Index

Caldera FN-5641 Plus 140mm PWM Case Fan

Case Fans · Caldera · SKU FN5641-PLUS · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index427 (Case Fans scale)
Category rank#1,071
Street price$19
Power3 W
Performance per dollar22.47
Released2021

Specifications

BrandCaldera
ModelCaldera FN-5641 Plus
Size140 × 140 × 25 mm
Speed300–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise30 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-5641 Plus 140mm PWM Case Fan”, https://vextor7.com/item/95023760 (accessed 2026-10-20).