Hardware Spec Index

Teralux FN-3658 Ultra 140mm PWM Case Fan

Case Fans · Teralux · SKU FN3658-ULTRA · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index382 (Case Fans scale)
Category rank#37,176
Street price$9
Power4 W
Performance per dollar42.44
Released2025

Specifications

BrandTeralux
ModelTeralux FN-3658 Ultra
Size140 × 140 × 25 mm
Speed500–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise22 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3658 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/21916872 (accessed 2026-10-25).