Hardware Spec Index

Brontix CL-3621 Prime 420mm AIO Liquid CPU Cooler

CPU Coolers · Brontix · SKU CL3621-PRIME · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index2,186 (CPU Coolers scale)
Category rank#24,210
Street price$159
Power17 W
Performance per dollar13.75
Released2025

Specifications

BrandBrontix
ModelBrontix CL-3621 Prime
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 38 mm thick
Fans3× 140 mm, up to 1,500 RPM
Pump3,300 RPM
Rated cooling330 W (manufacturer rating)
Noise25 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty5 years

Related guides

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Cite this page: Hardware Spec Index, “Brontix CL-3621 Prime 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/7380768 (accessed 2026-10-21).