Hardware Spec Index

Brontix FN-9978 XT 120mm PWM Case Fan

Case Fans · Brontix · SKU FN9978-XT · Released 2026 · Updated 2026-10-25

Key facts

Benchmark index753 (Case Fans scale)
Category rank#6,919
Street price$19
Power3 W
Performance per dollar39.63
Released2026

Specifications

BrandBrontix
ModelBrontix FN-9978 XT
Size120 × 120 × 25 mm
Speed500–2,200 RPM (PWM)
Airflow74.8 CFM
Static pressure2.42 mmH₂O
Noise28 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9978 XT 120mm PWM Case Fan”, https://vextor7.com/item/20092012 (accessed 2026-10-25).