Hardware Spec Index

Caldera FN-6640 SE 120mm PWM Case Fan

Case Fans · Caldera · SKU FN6640-SE · Released 2022 · Updated 2026-10-24

Key facts

Benchmark index306 (Case Fans scale)
Category rank#28,136
Street price$9
Power3 W
Performance per dollar34.00
Released2022

Specifications

BrandCaldera
ModelCaldera FN-6640 SE
Size120 × 120 × 25 mm
Speed500–2,300 RPM (PWM)
Airflow78.2 CFM
Static pressure2.53 mmH₂O
Noise27 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6640 SE 120mm PWM Case Fan”, https://vextor7.com/item/642324 (accessed 2026-10-24).