Hardware Spec Index

Caldera FN-1975 Ultra 140mm PWM Case Fan

Case Fans · Caldera · SKU FN1975-ULTRA · Released 2020 · Updated 2026-10-24

Key facts

Benchmark index577 (Case Fans scale)
Category rank#44,760
Street price$19
Power3 W
Performance per dollar30.37
Released2020

Specifications

BrandCaldera
ModelCaldera FN-1975 Ultra
Size140 × 140 × 25 mm
Speed500–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise31 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-1975 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/95039945 (accessed 2026-10-24).