Hardware Spec Index

Brontix CL-3977 XT 240mm AIO Liquid CPU Cooler

CPU Coolers · Brontix · SKU CL3977-XT · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index847 (CPU Coolers scale)
Category rank#35,215
Street price$29
Power12 W
Performance per dollar29.21
Released2025

Specifications

BrandBrontix
ModelBrontix CL-3977 XT
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 27 mm thick
Fans2× 120 mm, up to 1,900 RPM
Pump3,000 RPM
Rated cooling250 W (manufacturer rating)
Noise33 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-3977 XT 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/168555 (accessed 2026-10-21).