Hardware Spec Index

Teralux FN-4971 Ultra 140mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN4971-ULTRA · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index1,068 (Case Fans scale)
Category rank#39,984
Street price$39
Power4 W
Performance per dollar27.38
Released2021

Specifications

BrandTeralux
ModelTeralux FN-4971 Ultra
Size140 × 140 × 25 mm
Speed400–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise28 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-4971 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/90148008 (accessed 2026-10-24).