Hardware Spec Index

Caldera FN-1974 Pro 140mm PWM Case Fan

Case Fans · Caldera · SKU FN1974-PRO · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index719 (Case Fans scale)
Category rank#5,246
Street price$19
Power4 W
Performance per dollar37.84
Released2019

Specifications

BrandCaldera
ModelCaldera FN-1974 Pro
Size140 × 140 × 25 mm
Speed400–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise33 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-1974 Pro 140mm PWM Case Fan”, https://vextor7.com/item/9496705 (accessed 2026-10-22).