Hardware Spec Index

Brontix FN-4840 XT 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN4840-XT · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index962 (Case Fans scale)
Category rank#20,275
Street price$29
Power3 W
Performance per dollar33.17
Released2019

Specifications

BrandBrontix
ModelBrontix FN-4840 XT
Size120 × 120 × 25 mm
Speed500–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise31 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4840 XT 120mm PWM ARGB Case Fan”, https://vextor7.com/item/5454728 (accessed 2026-10-20).