Hardware Spec Index

Brontix CL-5521 Ultra 240mm AIO Liquid CPU Cooler

CPU Coolers · Brontix · SKU CL5521-ULTRA · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index1,069 (CPU Coolers scale)
Category rank#1,215
Street price$39
Power12 W
Performance per dollar27.41
Released2025

Specifications

BrandBrontix
ModelBrontix CL-5521 Ultra
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 38 mm thick
Fans2× 120 mm, up to 2,300 RPM
Pump3,100 RPM
Rated cooling250 W (manufacturer rating)
Noise29 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-5521 Ultra 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/18599129 (accessed 2026-10-25).