Hardware Spec Index

Brontix CL-3921 Max 420mm AIO Liquid CPU Cooler

CPU Coolers · Brontix · SKU CL3921-MAX · Released 2024 · Updated 2026-10-21

Key facts

Benchmark index1,886 (CPU Coolers scale)
Category rank#18,788
Street price$119
Power17 W
Performance per dollar15.85
Released2024

Specifications

BrandBrontix
ModelBrontix CL-3921 Max
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 27 mm thick
Fans3× 140 mm, up to 1,500 RPM
Pump3,300 RPM
Rated cooling330 W (manufacturer rating)
Noise27 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-3921 Max 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/46983396 (accessed 2026-10-21).