Hardware Spec Index

Caldera FN-4548 Ultra 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN4548-ULTRA · Released 2022 · Updated 2026-10-25

Key facts

Benchmark index956 (Case Fans scale)
Category rank#26,983
Street price$29
Power3 W
Performance per dollar32.97
Released2022

Specifications

BrandCaldera
ModelCaldera FN-4548 Ultra
Size140 × 140 × 25 mm
Speed200–2,200 RPM (PWM)
Airflow105.6 CFM
Static pressure2.09 mmH₂O
Noise32 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4548 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/762626 (accessed 2026-10-25).