Hardware Spec Index

Caldera FN-6640 SE 140mm PWM Case Fan

Case Fans · Caldera · SKU FN6640-SE · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index657 (Case Fans scale)
Category rank#29,810
Street price$19
Power3 W
Performance per dollar34.58
Released2022

Specifications

BrandCaldera
ModelCaldera FN-6640 SE
Size140 × 140 × 25 mm
Speed300–2,400 RPM (PWM)
Airflow115.2 CFM
Static pressure2.28 mmH₂O
Noise34 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6640 SE 140mm PWM Case Fan”, https://vextor7.com/item/11072028 (accessed 2026-10-21).