Hardware Spec Index

Teralux FN-3921 Core 120mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN3921-CORE · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index1,309 (Case Fans scale)
Category rank#584
Street price$49
Power4 W
Performance per dollar26.71
Released2020

Specifications

BrandTeralux
ModelTeralux FN-3921 Core
Size120 × 120 × 25 mm
Speed300–2,900 RPM (PWM)
Airflow98.6 CFM
Static pressure3.19 mmH₂O
Noise27 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3921 Core 120mm PWM ARGB Case Fan”, https://vextor7.com/item/3660040 (accessed 2026-10-20).