Hardware Spec Index

Caldera FN-2781 Ultra 120mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN2781-ULTRA · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index957 (Case Fans scale)
Category rank#43,780
Street price$29
Power3 W
Performance per dollar33.00
Released2021

Specifications

BrandCaldera
ModelCaldera FN-2781 Ultra
Size120 × 120 × 25 mm
Speed200–1,600 RPM (PWM)
Airflow54.4 CFM
Static pressure1.76 mmH₂O
Noise27 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-2781 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/63311628 (accessed 2026-10-22).