Hardware Spec Index

Caldera FN-4787 Ultra 140mm PWM Case Fan

Case Fans · Caldera · SKU FN4787-ULTRA · Released 2020 · Updated 2026-10-26

Key facts

Benchmark index392 (Case Fans scale)
Category rank#36,829
Street price$9
Power3 W
Performance per dollar43.56
Released2020

Specifications

BrandCaldera
ModelCaldera FN-4787 Ultra
Size140 × 140 × 25 mm
Speed300–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise28 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4787 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/32398260 (accessed 2026-10-26).