Hardware Spec Index

Teralux FN-9891 Prime 120mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN9891-PRIME · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index1,012 (Case Fans scale)
Category rank#32,580
Street price$29
Power3 W
Performance per dollar34.90
Released2021

Specifications

BrandTeralux
ModelTeralux FN-9891 Prime
Size120 × 120 × 25 mm
Speed500–2,100 RPM (PWM)
Airflow71.4 CFM
Static pressure2.31 mmH₂O
Noise32 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-9891 Prime 120mm PWM ARGB Case Fan”, https://vextor7.com/item/46973620 (accessed 2026-10-22).