Hardware Spec Index

Caldera FN-1640 Max 140mm PWM Case Fan

Case Fans · Caldera · SKU FN1640-MAX · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index651 (Case Fans scale)
Category rank#44,742
Street price$19
Power4 W
Performance per dollar34.26
Released2021

Specifications

BrandCaldera
ModelCaldera FN-1640 Max
Size140 × 140 × 25 mm
Speed400–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise23 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-1640 Max 140mm PWM Case Fan”, https://vextor7.com/item/3967069 (accessed 2026-10-21).