Hardware Spec Index

Brontix CL-5866 Ultra 240mm AIO Liquid CPU Cooler

CPU Coolers · Brontix · SKU CL5866-ULTRA · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index596 (CPU Coolers scale)
Category rank#45,088
Street price$19
Power12 W
Performance per dollar31.37
Released2021

Specifications

BrandBrontix
ModelBrontix CL-5866 Ultra
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 27 mm thick
Fans2× 120 mm, up to 2,500 RPM
Pump3,100 RPM
Rated cooling250 W (manufacturer rating)
Noise34 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
Caldera CL-7945 Pro 240mm AIO Liquid CPU Cooler518$19Compare
Teralux CL-9028 Prime Dual tower Air CPU Cooler2,303$189Compare
Brontix CL-4730 Pro Dual tower Air CPU Cooler1,345$59Compare
Caldera CL-1022 Ultra 360mm AIO Liquid CPU Cooler1,491$79Compare
Brontix CL-6164 Prime Dual tower Air CPU Cooler2,132$129Compare
Zephyra CL-6004 SE 240mm AIO Liquid CPU Cooler892$29Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Brontix CL-5866 Ultra 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/83674406 (accessed 2026-10-20).