Hardware Spec Index

Teralux FN-3840 Prime 120mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN3840-PRIME · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index1,297 (Case Fans scale)
Category rank#7,637
Street price$49
Power3 W
Performance per dollar26.47
Released2022

Specifications

BrandTeralux
ModelTeralux FN-3840 Prime
Size120 × 120 × 25 mm
Speed400–1,600 RPM (PWM)
Airflow54.4 CFM
Static pressure1.76 mmH₂O
Noise23 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3840 Prime 120mm PWM ARGB Case Fan”, https://vextor7.com/item/76358197 (accessed 2026-10-19).