Hardware Spec Index

Teralux FN-5681 Ultra 140mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN5681-ULTRA · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index1,004 (Case Fans scale)
Category rank#36,924
Street price$29
Power3 W
Performance per dollar34.62
Released2024

Specifications

BrandTeralux
ModelTeralux FN-5681 Ultra
Size140 × 140 × 25 mm
Speed500–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-5681 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/745303 (accessed 2026-10-19).