Hardware Spec Index

Teralux FN-3985 Prime 140mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN3985-PRIME · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index887 (Case Fans scale)
Category rank#11,173
Street price$29
Power4 W
Performance per dollar30.59
Released2025

Specifications

BrandTeralux
ModelTeralux FN-3985 Prime
Size140 × 140 × 25 mm
Speed400–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise23 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-3985 Prime 140mm PWM ARGB Case Fan”, https://vextor7.com/item/1868720 (accessed 2026-10-19).