Hardware Spec Index

Teralux FN-4990 Pro 120mm PWM Case Fan

Case Fans · Teralux · SKU FN4990-PRO · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index292 (Case Fans scale)
Category rank#5,986
Street price$9
Power4 W
Performance per dollar32.44
Released2021

Specifications

BrandTeralux
ModelTeralux FN-4990 Pro
Size120 × 120 × 25 mm
Speed300–2,600 RPM (PWM)
Airflow88.4 CFM
Static pressure2.86 mmH₂O
Noise24 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-4990 Pro 120mm PWM Case Fan”, https://vextor7.com/item/17848942 (accessed 2026-10-24).