Hardware Spec Index

Brontix FN-4640 XT 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN4640-XT · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index800 (Case Fans scale)
Category rank#22,408
Street price$29
Power4 W
Performance per dollar27.59
Released2022

Specifications

BrandBrontix
ModelBrontix FN-4640 XT
Size120 × 120 × 25 mm
Speed400–2,600 RPM (PWM)
Airflow88.4 CFM
Static pressure2.86 mmH₂O
Noise26 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4640 XT 120mm PWM ARGB Case Fan”, https://vextor7.com/item/14799127 (accessed 2026-10-20).