Hardware Spec Index

Brontix FN-6421 XT 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN6421-XT · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index850 (Case Fans scale)
Category rank#31,771
Street price$29
Power3 W
Performance per dollar29.31
Released2020

Specifications

BrandBrontix
ModelBrontix FN-6421 XT
Size140 × 140 × 25 mm
Speed500–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise31 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-6421 XT 140mm PWM ARGB Case Fan”, https://vextor7.com/item/1963701 (accessed 2026-10-21).