Hardware Spec Index

Caldera FN-9681 Ultra 140mm PWM Case Fan

Case Fans · Caldera · SKU FN9681-ULTRA · Released 2022 · Updated 2026-10-26

Key facts

Benchmark index650 (Case Fans scale)
Category rank#36,627
Street price$19
Power2 W
Performance per dollar34.21
Released2022

Specifications

BrandCaldera
ModelCaldera FN-9681 Ultra
Size140 × 140 × 25 mm
Speed200–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise27 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-9681 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/3566642 (accessed 2026-10-26).