Hardware Spec Index

Brontix CL-6218 Ultra 420mm AIO Liquid CPU Cooler

CPU Coolers · Brontix · SKU CL6218-ULTRA · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index1,964 (CPU Coolers scale)
Category rank#36,692
Street price$139
Power17 W
Performance per dollar14.13
Released2021

Specifications

BrandBrontix
ModelBrontix CL-6218 Ultra
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 30 mm thick
Fans3× 140 mm, up to 1,600 RPM
Pump2,800 RPM
Rated cooling330 W (manufacturer rating)
Noise30 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty6 years

Related guides

AIO Liquid Cooling vs Air Cooling for CPUsCPU TDP, PPT and Turbo Power Explained

Similar CPU Coolers

ModelBenchmarkPriceCompare
Zephyra CL-1247 Ultra Dual tower Air CPU Cooler2,296$149Compare
Caldera CL-3564 XT 420mm AIO Liquid CPU Cooler2,188$159Compare
Teralux CL-3672 SE 280mm AIO Liquid CPU Cooler983$29Compare
Caldera CL-8731 Pro Dual tower Air CPU Cooler2,364$169Compare
Brontix CL-4761 SE 360mm AIO Liquid CPU Cooler1,774$119Compare
Zephyra CL-8406 Max 360mm AIO Liquid CPU Cooler1,794$129Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Brontix CL-6218 Ultra 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/5223908 (accessed 2026-10-20).