Hardware Spec Index

Caldera FN-4491 Ultra 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Caldera · SKU FN4491-ULTRA · Released 2024 · Updated 2026-10-22

Key facts

Benchmark index1,364 (Case Fans scale)
Category rank#28,434
Street price$49
Power3 W
Performance per dollar27.84
Released2024

Specifications

BrandCaldera
ModelCaldera FN-4491 Ultra
Size120 × 120 × 25 mm
Speed300–2,000 RPM (PWM)
Airflow68.0 CFM
Static pressure2.20 mmH₂O
Noise23 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4491 Ultra 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/20100303 (accessed 2026-10-22).