Hardware Spec Index

Teralux FN-4891 Plus 120mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN4891-PLUS · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index1,400 (Case Fans scale)
Category rank#27,440
Street price$49
Power3 W
Performance per dollar28.57
Released2025

Specifications

BrandTeralux
ModelTeralux FN-4891 Plus
Size120 × 120 × 25 mm
Speed400–2,300 RPM (PWM)
Airflow78.2 CFM
Static pressure2.53 mmH₂O
Noise30 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-4891 Plus 120mm PWM ARGB Case Fan”, https://vextor7.com/item/2148461 (accessed 2026-10-20).