Hardware Spec Index

Teralux FN-3856 Prime 140mm PWM Case Fan

Case Fans · Teralux · SKU FN3856-PRIME · Released 2020 · Updated 2026-10-18

Key facts

Benchmark index370 (Case Fans scale)
Category rank#9,788
Street price$9
Power4 W
Performance per dollar41.11
Released2020

Specifications

BrandTeralux
ModelTeralux FN-3856 Prime
Size140 × 140 × 25 mm
Speed300–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise29 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3856 Prime 140mm PWM Case Fan”, https://vextor7.com/item/76346 (accessed 2026-10-18).