Hardware Spec Index

Teralux FN-8638 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Teralux · SKU FN8638-ULTRA · Released 2023 · Updated 2026-10-22

Key facts

Benchmark index464 (Case Fans scale)
Category rank#23,142
Street price$19
Power4 W
Performance per dollar24.42
Released2023

Specifications

BrandTeralux
ModelTeralux FN-8638 Ultra
Size140 × 140 × 25 mm
Speed500–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise33 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-8638 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/91311757 (accessed 2026-10-22).