Hardware Spec Index

Caldera FN-4691 Ultra 120mm PWM Case Fan

Case Fans · Caldera · SKU FN4691-ULTRA · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index403 (Case Fans scale)
Category rank#43,087
Street price$9
Power3 W
Performance per dollar44.78
Released2025

Specifications

BrandCaldera
ModelCaldera FN-4691 Ultra
Size120 × 120 × 25 mm
Speed300–1,600 RPM (PWM)
Airflow54.4 CFM
Static pressure1.76 mmH₂O
Noise28 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4691 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/3545253 (accessed 2026-10-19).