Hardware Spec Index

Brontix CL-3999 Ultra 240mm AIO Liquid CPU Cooler

CPU Coolers · Brontix · SKU CL3999-ULTRA · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index698 (CPU Coolers scale)
Category rank#25,776
Street price$19
Power12 W
Performance per dollar36.74
Released2024

Specifications

BrandBrontix
ModelBrontix CL-3999 Ultra
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 30 mm thick
Fans2× 120 mm, up to 2,000 RPM
Pump3,200 RPM
Rated cooling250 W (manufacturer rating)
Noise24 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 years

Related guides

AIO Liquid Cooling vs Air Cooling for CPUsCPU TDP, PPT and Turbo Power ExplainedAMD AM5 SocketIntel LGA1851 Socket

Similar CPU Coolers

ModelBenchmarkPriceCompare
Caldera CL-7659 Ultra Single tower Air CPU Cooler1,549$79Compare
Caldera CL-3529 Plus 240mm AIO Liquid CPU Cooler609$19Compare
Brontix CL-7753 Max 360mm AIO Liquid CPU Cooler1,529$79Compare
Zephyra CL-2552 Pro Dual tower Air CPU Cooler2,480$199Compare
Teralux CL-3883 Max 240mm AIO Liquid CPU Cooler796$19Compare
Caldera CL-7229 Plus 240mm AIO Liquid CPU Cooler1,106$39Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Brontix CL-3999 Ultra 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/52329892 (accessed 2026-10-25).