Hardware Spec Index

Brontix FN-5843 Ultra 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN5843-ULTRA · Released 2022 · Updated 2026-10-24

Key facts

Benchmark index972 (Case Fans scale)
Category rank#30,840
Street price$29
Power3 W
Performance per dollar33.52
Released2022

Specifications

BrandBrontix
ModelBrontix FN-5843 Ultra
Size140 × 140 × 25 mm
Speed300–2,400 RPM (PWM)
Airflow115.2 CFM
Static pressure2.28 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
Zephyra FN-4844 XT 120mm PWM ARGB Case Fan1,400$49Compare
Caldera FN-3710 Plus 140mm PWM ARGB Case Fan982$29Compare
Corvane FN-2368 XT 120mm PWM Case Fan320$9Compare
Teralux FN-8172 Prime 140mm PWM Case Fan490$19Compare
Zephyra FN-3660 Prime 120mm PWM ARGB Case Fan1,379$49Compare
Zephyra FN-9319 Core 120mm PWM Case Fan380$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-5843 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/32328803 (accessed 2026-10-24).