Hardware Spec Index

Caldera FN-5891 Plus 120mm PWM Case Fan

Case Fans · Caldera · SKU FN5891-PLUS · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index478 (Case Fans scale)
Category rank#23,129
Street price$19
Power3 W
Performance per dollar25.16
Released2019

Specifications

BrandCaldera
ModelCaldera FN-5891 Plus
Size120 × 120 × 25 mm
Speed400–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise33 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-5891 Plus 120mm PWM Case Fan”, https://vextor7.com/item/3920000 (accessed 2026-10-21).