Hardware Spec Index

Teralux FN-4990 XT 120mm PWM Case Fan

Case Fans · Teralux · SKU FN4990-XT · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index429 (Case Fans scale)
Category rank#20,819
Street price$19
Power4 W
Performance per dollar22.58
Released2023

Specifications

BrandTeralux
ModelTeralux FN-4990 XT
Size120 × 120 × 25 mm
Speed400–2,700 RPM (PWM)
Airflow91.8 CFM
Static pressure2.97 mmH₂O
Noise31 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-4990 XT 120mm PWM Case Fan”, https://vextor7.com/item/16655824 (accessed 2026-10-21).