Hardware Spec Index

Brontix FN-5785 Prime 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN5785-PRIME · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index1,209 (Case Fans scale)
Category rank#20,850
Street price$49
Power4 W
Performance per dollar24.67
Released2023

Specifications

BrandBrontix
ModelBrontix FN-5785 Prime
Size140 × 140 × 25 mm
Speed500–2,700 RPM (PWM)
Airflow129.6 CFM
Static pressure2.56 mmH₂O
Noise34 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-1132 Max 120mm PWM Case Fan229$9Compare
Caldera FN-1822 Plus 120mm PWM Case Fan504$19Compare
Zephyra FN-3635 XT 120mm PWM Case Fan423$19Compare
Caldera FN-8938 Ultra 120mm PWM ARGB Case Fan1,268$49Compare
Zephyra FN-8583 XT 140mm PWM Case Fan545$19Compare
Brontix FN-8197 Ultra 140mm PWM ARGB Case Fan851$29Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-5785 Prime 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/801220 (accessed 2026-10-19).