Hardware Spec Index

Brontix FN-4721 Pro 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN4721-PRO · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index1,287 (Case Fans scale)
Category rank#11,979
Street price$49
Power3 W
Performance per dollar26.27
Released2026

Specifications

BrandBrontix
ModelBrontix FN-4721 Pro
Size140 × 140 × 25 mm
Speed500–2,400 RPM (PWM)
Airflow115.2 CFM
Static pressure2.28 mmH₂O
Noise36 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-4721 Pro 140mm PWM ARGB Case Fan”, https://vextor7.com/item/8644641 (accessed 2026-10-20).