Hardware Spec Index

Teralux FN-3878 Ultra 120mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN3878-ULTRA · Released 2019 · Updated 2026-10-26

Key facts

Benchmark index979 (Case Fans scale)
Category rank#42,528
Street price$39
Power3 W
Performance per dollar25.10
Released2019

Specifications

BrandTeralux
ModelTeralux FN-3878 Ultra
Size120 × 120 × 25 mm
Speed400–2,000 RPM (PWM)
Airflow68.0 CFM
Static pressure2.20 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-3878 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/7432189 (accessed 2026-10-26).