Hardware Spec Index

Caldera FN-5640 Plus 140mm PWM Case Fan

Case Fans · Caldera · SKU FN5640-PLUS · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index581 (Case Fans scale)
Category rank#28,137
Street price$19
Power3 W
Performance per dollar30.58
Released2021

Specifications

BrandCaldera
ModelCaldera FN-5640 Plus
Size140 × 140 × 25 mm
Speed200–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise24 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-5640 Plus 140mm PWM Case Fan”, https://vextor7.com/item/19902407 (accessed 2026-10-22).