Hardware Spec Index

Caldera FN-1891 Plus 120mm PWM Case Fan

Case Fans · Caldera · SKU FN1891-PLUS · Released 2026 · Updated 2026-10-21

Key facts

Benchmark index571 (Case Fans scale)
Category rank#48,949
Street price$19
Power4 W
Performance per dollar30.05
Released2026

Specifications

BrandCaldera
ModelCaldera FN-1891 Plus
Size120 × 120 × 25 mm
Speed400–2,700 RPM (PWM)
Airflow91.8 CFM
Static pressure2.97 mmH₂O
Noise32 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-1891 Plus 120mm PWM Case Fan”, https://vextor7.com/item/15031028 (accessed 2026-10-21).