Hardware Spec Index

Caldera FN-9639 Max 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN9639-MAX · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index236 (Case Fans scale)
Category rank#32,544
Street price$9
Power4 W
Performance per dollar26.22
Released2023

Specifications

BrandCaldera
ModelCaldera FN-9639 Max
Size140 × 140 × 25 mm
Speed300–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise29 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-9639 Max 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/4380397 (accessed 2026-10-20).