Hardware Spec Index

Brontix CL-3859 Ultra 420mm AIO Liquid CPU Cooler

CPU Coolers · Brontix · SKU CL3859-ULTRA · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index2,244 (CPU Coolers scale)
Category rank#32,402
Street price$159
Power17 W
Performance per dollar14.11
Released2022

Specifications

BrandBrontix
ModelBrontix CL-3859 Ultra
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 30 mm thick
Fans3× 140 mm, up to 2,000 RPM
Pump2,900 RPM
Rated cooling330 W (manufacturer rating)
Noise27 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty5 years

Related guides

AIO Liquid Cooling vs Air Cooling for CPUsCPU TDP, PPT and Turbo Power ExplainedAMD AM5 Socket

Similar CPU Coolers

ModelBenchmarkPriceCompare
Caldera CL-6629 Ti Dual tower Air CPU Cooler2,329$169Compare
Zephyra CL-7447 Core 420mm AIO Liquid CPU Cooler2,206$169Compare
Zephyra CL-8002 Core 360mm AIO Liquid CPU Cooler2,183$189Compare
Caldera CL-4869 Prime 420mm AIO Liquid CPU Cooler2,360$179Compare
Zephyra CL-9442 Pro Low profile Air CPU Cooler755$19Compare
Teralux CL-3567 Ultra Low profile Air CPU Cooler843$29Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Brontix CL-3859 Ultra 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/504242 (accessed 2026-10-19).