Hardware Spec Index

Brontix FN-3948 SE 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN3948-SE · Released 2019 · Updated 2026-10-26

Key facts

Benchmark index941 (Case Fans scale)
Category rank#47,676
Street price$29
Power4 W
Performance per dollar32.45
Released2019

Specifications

BrandBrontix
ModelBrontix FN-3948 SE
Size140 × 140 × 25 mm
Speed300–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise32 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-3948 SE 140mm PWM ARGB Case Fan”, https://vextor7.com/item/35306216 (accessed 2026-10-26).