Hardware Spec Index

Caldera FN-6640 Ti 120mm PWM Case Fan

Case Fans · Caldera · SKU FN6640-TI · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index674 (Case Fans scale)
Category rank#17,355
Street price$19
Power3 W
Performance per dollar35.47
Released2020

Specifications

BrandCaldera
ModelCaldera FN-6640 Ti
Size120 × 120 × 25 mm
Speed400–1,500 RPM (PWM)
Airflow51.0 CFM
Static pressure1.65 mmH₂O
Noise23 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6640 Ti 120mm PWM Case Fan”, https://vextor7.com/item/19087347 (accessed 2026-10-19).