Hardware Spec Index

Caldera FN-4275 Ultra 140mm PWM Case Fan

Case Fans · Caldera · SKU FN4275-ULTRA · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index732 (Case Fans scale)
Category rank#43,523
Street price$19
Power4 W
Performance per dollar38.53
Released2024

Specifications

BrandCaldera
ModelCaldera FN-4275 Ultra
Size140 × 140 × 25 mm
Speed400–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise30 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4275 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/4030271 (accessed 2026-10-20).