Hardware Spec Index

Caldera FN-4145 Ultra 140mm PWM Case Fan

Case Fans · Caldera · SKU FN4145-ULTRA · Released 2024 · Updated 2026-10-24

Key facts

Benchmark index215 (Case Fans scale)
Category rank#48,905
Street price$9
Power4 W
Performance per dollar23.89
Released2024

Specifications

BrandCaldera
ModelCaldera FN-4145 Ultra
Size140 × 140 × 25 mm
Speed400–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise30 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4145 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/19342256 (accessed 2026-10-24).