Hardware Spec Index

Brontix FN-6638 XT 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN6638-XT · Released 2024 · Updated 2026-10-26

Key facts

Benchmark index638 (Case Fans scale)
Category rank#18,360
Street price$19
Power3 W
Performance per dollar33.58
Released2024

Specifications

BrandBrontix
ModelBrontix FN-6638 XT
Size140 × 140 × 25 mm
Speed400–1,700 RPM (PWM)
Airflow81.6 CFM
Static pressure1.61 mmH₂O
Noise22 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-6638 XT 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/5317504 (accessed 2026-10-26).