Hardware Spec Index

Teralux FN-3821 SE 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Teralux · SKU FN3821-SE · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index1,050 (Case Fans scale)
Category rank#5,505
Street price$29
Power4 W
Performance per dollar36.21
Released2021

Specifications

BrandTeralux
ModelTeralux FN-3821 SE
Size120 × 120 × 25 mm
Speed300–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise25 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3821 SE 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/17868644 (accessed 2026-10-22).