Hardware Spec Index

Caldera FN-1891 Plus 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN1891-PLUS · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index1,043 (Case Fans scale)
Category rank#13,618
Street price$39
Power3 W
Performance per dollar26.74
Released2022

Specifications

BrandCaldera
ModelCaldera FN-1891 Plus
Size140 × 140 × 25 mm
Speed300–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise33 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-1891 Plus 140mm PWM ARGB Case Fan”, https://vextor7.com/item/11368153 (accessed 2026-10-19).