Hardware Spec Index

Teralux FN-3657 Ultra 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Teralux · SKU FN3657-ULTRA · Released 2025 · Updated 2026-10-22

Key facts

Benchmark index1,340 (Case Fans scale)
Category rank#19,794
Street price$49
Power4 W
Performance per dollar27.35
Released2025

Specifications

BrandTeralux
ModelTeralux FN-3657 Ultra
Size140 × 140 × 25 mm
Speed500–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise24 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-3657 Ultra 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/94553207 (accessed 2026-10-22).