Hardware Spec Index

Caldera FN-9251 Ultra 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN9251-ULTRA · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index1,162 (Case Fans scale)
Category rank#34,635
Street price$39
Power4 W
Performance per dollar29.79
Released2019

Specifications

BrandCaldera
ModelCaldera FN-9251 Ultra
Size140 × 140 × 25 mm
Speed300–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise28 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-9251 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/53317917 (accessed 2026-10-20).