Hardware Spec Index

Caldera FN-6685 Ultra 120mm PWM Case Fan

Case Fans · Caldera · SKU FN6685-ULTRA · Released 2025 · Updated 2026-10-22

Key facts

Benchmark index375 (Case Fans scale)
Category rank#33,547
Street price$9
Power4 W
Performance per dollar41.67
Released2025

Specifications

BrandCaldera
ModelCaldera FN-6685 Ultra
Size120 × 120 × 25 mm
Speed200–2,700 RPM (PWM)
Airflow91.8 CFM
Static pressure2.97 mmH₂O
Noise26 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/94890234 (accessed 2026-10-22).