Hardware Spec Index

Caldera FN-1881 Ultra 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN1881-ULTRA · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index873 (Case Fans scale)
Category rank#32,735
Street price$29
Power3 W
Performance per dollar30.10
Released2020

Specifications

BrandCaldera
ModelCaldera FN-1881 Ultra
Size140 × 140 × 25 mm
Speed200–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise24 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-1881 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/10201191 (accessed 2026-10-22).