Hardware Spec Index

Teralux FN-4991 Plus 140mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN4991-PLUS · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index1,016 (Case Fans scale)
Category rank#16,265
Street price$29
Power3 W
Performance per dollar35.03
Released2023

Specifications

BrandTeralux
ModelTeralux FN-4991 Plus
Size140 × 140 × 25 mm
Speed500–2,000 RPM (PWM)
Airflow96.0 CFM
Static pressure1.90 mmH₂O
Noise34 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-4991 Plus 140mm PWM ARGB Case Fan”, https://vextor7.com/item/8551840 (accessed 2026-10-19).