Hardware Spec Index

Caldera FN-4640 Plus 120mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN4640-PLUS · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index638 (Case Fans scale)
Category rank#1,607
Street price$19
Power4 W
Performance per dollar33.58
Released2020

Specifications

BrandCaldera
ModelCaldera FN-4640 Plus
Size120 × 120 × 25 mm
Speed200–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise26 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4640 Plus 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/11616518 (accessed 2026-10-19).