Hardware Spec Index

Brontix FN-5633 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN5633-ULTRA · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index536 (Case Fans scale)
Category rank#15,370
Street price$19
Power3 W
Performance per dollar28.21
Released2024

Specifications

BrandBrontix
ModelBrontix FN-5633 Ultra
Size140 × 140 × 25 mm
Speed300–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise26 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5633 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/4280463 (accessed 2026-10-25).