Hardware Spec Index

Caldera FN-1686 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN1686-ULTRA · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index333 (Case Fans scale)
Category rank#14,926
Street price$9
Power3 W
Performance per dollar37.00
Released2025

Specifications

BrandCaldera
ModelCaldera FN-1686 Ultra
Size140 × 140 × 25 mm
Speed400–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise33 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-1686 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/91584971 (accessed 2026-10-23).