Hardware Spec Index

Caldera FN-2478 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN2478-ULTRA · Released 2020 · Updated 2026-10-26

Key facts

Benchmark index792 (Case Fans scale)
Category rank#39,102
Street price$29
Power3 W
Performance per dollar27.31
Released2020

Specifications

BrandCaldera
ModelCaldera FN-2478 Ultra
Size140 × 140 × 25 mm
Speed300–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise36 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-2478 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/41586338 (accessed 2026-10-26).