Hardware Spec Index

Brontix CL-6821 Prime 280mm AIO Liquid CPU Cooler

CPU Coolers · Brontix · SKU CL6821-PRIME · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index1,656 (CPU Coolers scale)
Category rank#18,221
Street price$109
Power13 W
Performance per dollar15.19
Released2025

Specifications

BrandBrontix
ModelBrontix CL-6821 Prime
TypeAll-in-one liquid cooler
Radiator280 mm, aluminum, 30 mm thick
Fans2× 140 mm, up to 1,900 RPM
Pump2,800 RPM
Rated cooling280 W (manufacturer rating)
Noise31 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-6821 Prime 280mm AIO Liquid CPU Cooler”, https://vextor7.com/item/3937204 (accessed 2026-10-20).