Hardware Spec Index

Caldera FN-4979 Ultra 140mm PWM Case Fan

Case Fans · Caldera · SKU FN4979-ULTRA · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index629 (Case Fans scale)
Category rank#30,013
Street price$19
Power4 W
Performance per dollar33.11
Released2021

Specifications

BrandCaldera
ModelCaldera FN-4979 Ultra
Size140 × 140 × 25 mm
Speed300–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise28 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4979 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/8973333 (accessed 2026-10-20).