Hardware Spec Index

Teralux FN-3870 Ultra 140mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN3870-ULTRA · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index1,108 (Case Fans scale)
Category rank#35,148
Street price$39
Power4 W
Performance per dollar28.41
Released2023

Specifications

BrandTeralux
ModelTeralux FN-3870 Ultra
Size140 × 140 × 25 mm
Speed300–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise35 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3870 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/85532284 (accessed 2026-10-21).