Hardware Spec Index

Caldera FN-5770 Ultra 140mm PWM Case Fan

Case Fans · Caldera · SKU FN5770-ULTRA · Released 2020 · Updated 2026-10-26

Key facts

Benchmark index214 (Case Fans scale)
Category rank#28,251
Street price$9
Power3 W
Performance per dollar23.78
Released2020

Specifications

BrandCaldera
ModelCaldera FN-5770 Ultra
Size140 × 140 × 25 mm
Speed200–1,700 RPM (PWM)
Airflow81.6 CFM
Static pressure1.61 mmH₂O
Noise27 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-5770 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/2282889 (accessed 2026-10-26).