Hardware Spec Index

Caldera FN-1757 Ultra 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN1757-ULTRA · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index875 (Case Fans scale)
Category rank#19,765
Street price$29
Power2 W
Performance per dollar30.17
Released2021

Specifications

BrandCaldera
ModelCaldera FN-1757 Ultra
Size140 × 140 × 25 mm
Speed400–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise25 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-1757 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/801183 (accessed 2026-10-19).