Hardware Spec Index

Brontix FN-7640 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN7640-ULTRA · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index369 (Case Fans scale)
Category rank#6,959
Street price$9
Power3 W
Performance per dollar41.00
Released2025

Specifications

BrandBrontix
ModelBrontix FN-7640 Ultra
Size120 × 120 × 25 mm
Speed300–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise36 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-7640 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/19606242 (accessed 2026-10-21).