Hardware Spec Index

Brontix FN-4648 Ultra 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN4648-ULTRA · Released 2023 · Updated 2026-10-27

Key facts

Benchmark index913 (Case Fans scale)
Category rank#161
Street price$29
Power3 W
Performance per dollar31.48
Released2023

Specifications

BrandBrontix
ModelBrontix FN-4648 Ultra
Size140 × 140 × 25 mm
Speed500–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise32 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-4648 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/65630204 (accessed 2026-10-27).