Hardware Spec Index

Brontix FN-4837 Ultra 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN4837-ULTRA · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index1,060 (Case Fans scale)
Category rank#44,439
Street price$29
Power4 W
Performance per dollar36.55
Released2021

Specifications

BrandBrontix
ModelBrontix FN-4837 Ultra
Size140 × 140 × 25 mm
Speed300–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise22 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-4837 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/4255243 (accessed 2026-10-19).