Hardware Spec Index

Brontix CL-5257 Ultra 420mm AIO Liquid CPU Cooler

CPU Coolers · Brontix · SKU CL5257-ULTRA · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index2,215 (CPU Coolers scale)
Category rank#11,354
Street price$149
Power17 W
Performance per dollar14.87
Released2019

Specifications

BrandBrontix
ModelBrontix CL-5257 Ultra
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 27 mm thick
Fans3× 140 mm, up to 1,700 RPM
Pump2,900 RPM
Rated cooling330 W (manufacturer rating)
Noise34 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty5 years

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Cite this page: Hardware Spec Index, “Brontix CL-5257 Ultra 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/20188428 (accessed 2026-10-20).