Hardware Spec Index

Caldera FN-1661 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN1661-ULTRA · Released 2025 · Updated 2026-10-22

Key facts

Benchmark index589 (Case Fans scale)
Category rank#32,415
Street price$19
Power4 W
Performance per dollar31.00
Released2025

Specifications

BrandCaldera
ModelCaldera FN-1661 Ultra
Size120 × 120 × 25 mm
Speed500–2,800 RPM (PWM)
Airflow95.2 CFM
Static pressure3.08 mmH₂O
Noise24 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-1661 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/5873093 (accessed 2026-10-22).