Hardware Spec Index

Brontix CL-6421 Prime 240mm AIO Liquid CPU Cooler

CPU Coolers · Brontix · SKU CL6421-PRIME · Released 2024 · Updated 2026-10-24

Key facts

Benchmark index875 (CPU Coolers scale)
Category rank#28,160
Street price$29
Power12 W
Performance per dollar30.17
Released2024

Specifications

BrandBrontix
ModelBrontix CL-6421 Prime
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 38 mm thick
Fans2× 120 mm, up to 1,900 RPM
Pump2,900 RPM
Rated cooling250 W (manufacturer rating)
Noise29 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
Teralux CL-6517 Max 360mm AIO Liquid CPU Cooler1,172$49Compare
Teralux CL-5204 XT 280mm AIO Liquid CPU Cooler1,437$69Compare
Zephyra CL-5136 Ultra 240mm AIO Liquid CPU Cooler764$29Compare
Teralux CL-6307 Pro 420mm AIO Liquid CPU Cooler2,031$129Compare
Brontix CL-7278 Pro 240mm AIO Liquid CPU Cooler748$19Compare
Brontix CL-8700 Edge Dual tower Air CPU Cooler1,464$69Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Brontix CL-6421 Prime 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/8399873 (accessed 2026-10-24).