Hardware Spec Index

Teralux FN-3851 Prime 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Teralux · SKU FN3851-PRIME · Released 2026 · Updated 2026-10-21

Key facts

Benchmark index1,191 (Case Fans scale)
Category rank#18,500
Street price$49
Power3 W
Performance per dollar24.31
Released2026

Specifications

BrandTeralux
ModelTeralux FN-3851 Prime
Size140 × 140 × 25 mm
Speed400–1,700 RPM (PWM)
Airflow81.6 CFM
Static pressure1.61 mmH₂O
Noise22 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-3851 Prime 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/2224820 (accessed 2026-10-21).