Hardware Spec Index

Brontix CL-6721 Ultra Single tower Air CPU Cooler

CPU Coolers · Brontix · SKU CL6721-ULTRA · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index2,043 (CPU Coolers scale)
Category rank#47,712
Street price$139
Power3 W
Performance per dollar14.70
Released2021

Specifications

BrandBrontix
ModelBrontix CL-6721 Ultra
TypeSingle tower air cooler
Heat pipes6× 6 mm copper
Height161 mm
Fans1× 120 mm PWM, up to 1,500 RPM
Rated cooling220 W (manufacturer rating)
Noise31 dBA (max)
RAM clearanceUnrestricted
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty6 years

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Cite this page: Hardware Spec Index, “Brontix CL-6721 Ultra Single tower Air CPU Cooler”, https://vextor7.com/item/92437835 (accessed 2026-10-24).