Hardware Spec Index

Brontix FN-1648 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN1648-ULTRA · Released 2026 · Updated 2026-10-21

Key facts

Benchmark index403 (Case Fans scale)
Category rank#44,157
Street price$9
Power3 W
Performance per dollar44.78
Released2026

Specifications

BrandBrontix
ModelBrontix FN-1648 Ultra
Size140 × 140 × 25 mm
Speed400–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise34 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Corvane FN-6891 Pro 140mm PWM Case Fan (3-Pack)639$19Compare
Teralux FN-9720 XT 140mm PWM ARGB Case Fan902$29Compare
Teralux FN-7072 Pro 120mm PWM ARGB Case Fan (3-Pack)1,050$39Compare
Brontix FN-6405 Plus 140mm PWM ARGB Case Fan1,068$29Compare
Caldera FN-9791 Plus 120mm PWM Case Fan (3-Pack)223$9Compare
Caldera FN-3847 Ti 120mm PWM ARGB Case Fan931$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-1648 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/9656807 (accessed 2026-10-21).