Hardware Spec Index

Caldera FN-9940 Pro 140mm PWM Case Fan

Case Fans · Caldera · SKU FN9940-PRO · Released 2023 · Updated 2026-10-18

Key facts

Benchmark index729 (Case Fans scale)
Category rank#36,254
Street price$19
Power2 W
Performance per dollar38.37
Released2023

Specifications

BrandCaldera
ModelCaldera FN-9940 Pro
Size140 × 140 × 25 mm
Speed500–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise33 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-9940 Pro 140mm PWM Case Fan”, https://vextor7.com/item/378237 (accessed 2026-10-18).