Hardware Spec Index

Brontix FN-4853 Ultra 140mm PWM Case Fan

Case Fans · Brontix · SKU FN4853-ULTRA · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index250 (Case Fans scale)
Category rank#14,000
Street price$9
Power3 W
Performance per dollar27.78
Released2025

Specifications

BrandBrontix
ModelBrontix FN-4853 Ultra
Size140 × 140 × 25 mm
Speed300–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise36 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4853 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/41587650 (accessed 2026-10-26).