Hardware Spec Index

Brontix FN-6976 Ultra 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN6976-ULTRA · Released 2023 · Updated 2026-10-22

Key facts

Benchmark index994 (Case Fans scale)
Category rank#47,658
Street price$29
Power3 W
Performance per dollar34.28
Released2023

Specifications

BrandBrontix
ModelBrontix FN-6976 Ultra
Size140 × 140 × 25 mm
Speed500–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise31 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-6976 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/4098562 (accessed 2026-10-22).