Hardware Spec Index

Caldera FN-4891 Plus 120mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN4891-PLUS · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index1,379 (Case Fans scale)
Category rank#41,317
Street price$49
Power4 W
Performance per dollar28.14
Released2024

Specifications

BrandCaldera
ModelCaldera FN-4891 Plus
Size120 × 120 × 25 mm
Speed400–2,700 RPM (PWM)
Airflow91.8 CFM
Static pressure2.97 mmH₂O
Noise26 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4891 Plus 120mm PWM ARGB Case Fan”, https://vextor7.com/item/17545427 (accessed 2026-10-19).