Hardware Spec Index

Brontix CL-3676 Ultra 420mm AIO Liquid CPU Cooler

CPU Coolers · Brontix · SKU CL3676-ULTRA · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index2,233 (CPU Coolers scale)
Category rank#17,408
Street price$159
Power17 W
Performance per dollar14.04
Released2021

Specifications

BrandBrontix
ModelBrontix CL-3676 Ultra
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 27 mm thick
Fans3× 140 mm, up to 1,900 RPM
Pump3,000 RPM
Rated cooling330 W (manufacturer rating)
Noise36 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
Brontix CL-8625 Max Dual tower Air CPU Cooler2,233$159Compare
Teralux CL-3838 Core 360mm AIO Liquid CPU Cooler1,362$59Compare
Brontix CL-6115 Pro Single tower Air CPU Cooler1,724$119Compare
Zephyra CL-5448 Prime Low profile Air CPU Cooler1,111$49Compare
Zephyra CL-1961 Prime Dual tower Air CPU Cooler2,127$149Compare
Teralux CL-2788 Max 420mm AIO Liquid CPU Cooler2,158$179Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Brontix CL-3676 Ultra 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/1929490 (accessed 2026-10-24).