Hardware Spec Index

Brontix CL-6721 Prime 240mm AIO Liquid CPU Cooler

CPU Coolers · Brontix · SKU CL6721-PRIME · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index951 (CPU Coolers scale)
Category rank#20,842
Street price$39
Power12 W
Performance per dollar24.38
Released2019

Specifications

BrandBrontix
ModelBrontix CL-6721 Prime
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 30 mm thick
Fans2× 120 mm, up to 2,400 RPM
Pump3,000 RPM
Rated cooling250 W (manufacturer rating)
Noise35 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty5 years

Related guides

AIO Liquid Cooling vs Air Cooling for CPUsCPU TDP, PPT and Turbo Power Explained

Similar CPU Coolers

ModelBenchmarkPriceCompare
Zephyra CL-6604 Prime Dual tower Air CPU Cooler1,412$59Compare
Zephyra CL-3755 Ti Low profile Air CPU Cooler651$19Compare
Zephyra CL-2183 XT Dual tower Air CPU Cooler2,385$159Compare
Brontix CL-6008 Prime Low profile Air CPU Cooler811$29Compare
Caldera CL-9047 Prime Dual tower Air CPU Cooler2,048$129Compare
Caldera CL-7316 Ultra Dual tower Air CPU Cooler2,326$159Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Brontix CL-6721 Prime 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/2817360 (accessed 2026-10-22).