Hardware Spec Index

Caldera FN-6891 Plus 140mm PWM Case Fan

Case Fans · Caldera · SKU FN6891-PLUS · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index618 (Case Fans scale)
Category rank#10,338
Street price$19
Power3 W
Performance per dollar32.53
Released2020

Specifications

BrandCaldera
ModelCaldera FN-6891 Plus
Size140 × 140 × 25 mm
Speed400–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise33 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6891 Plus 140mm PWM Case Fan”, https://vextor7.com/item/4496982 (accessed 2026-10-19).