Hardware Spec Index

Brontix CL-3557 Ultra 420mm AIO Liquid CPU Cooler

CPU Coolers · Brontix · SKU CL3557-ULTRA · Released 2025 · Updated 2026-10-27

Key facts

Benchmark index1,974 (CPU Coolers scale)
Category rank#43,759
Street price$139
Power17 W
Performance per dollar14.20
Released2025

Specifications

BrandBrontix
ModelBrontix CL-3557 Ultra
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 38 mm thick
Fans3× 140 mm, up to 2,000 RPM
Pump2,800 RPM
Rated cooling330 W (manufacturer rating)
Noise35 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty5 years

Related guides

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Cite this page: Hardware Spec Index, “Brontix CL-3557 Ultra 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/75164396 (accessed 2026-10-27).