Hardware Spec Index

Teralux FN-4991 Core 140mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN4991-CORE · Released 2023 · Updated 2026-10-25

Key facts

Benchmark index821 (Case Fans scale)
Category rank#43,534
Street price$29
Power3 W
Performance per dollar28.31
Released2023

Specifications

BrandTeralux
ModelTeralux FN-4991 Core
Size140 × 140 × 25 mm
Speed200–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise25 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-4991 Core 140mm PWM ARGB Case Fan”, https://vextor7.com/item/7042565 (accessed 2026-10-25).