Hardware Spec Index

Caldera FN-6685 Ultra 120mm PWM Case Fan

Case Fans · Caldera · SKU FN6685-ULTRA · Released 2023 · Updated 2026-10-23

Key facts

Benchmark index793 (Case Fans scale)
Category rank#812
Street price$29
Power3 W
Performance per dollar27.34
Released2023

Specifications

BrandCaldera
ModelCaldera FN-6685 Ultra
Size120 × 120 × 25 mm
Speed300–1,600 RPM (PWM)
Airflow54.4 CFM
Static pressure1.76 mmH₂O
Noise32 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6685 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/6528344 (accessed 2026-10-23).