Hardware Spec Index

Brontix CL-3977 Ultra Single tower Air CPU Cooler

CPU Coolers · Brontix · SKU CL3977-ULTRA · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index2,025 (CPU Coolers scale)
Category rank#43,067
Street price$119
Power3 W
Performance per dollar17.02
Released2019

Specifications

BrandBrontix
ModelBrontix CL-3977 Ultra
TypeSingle tower air cooler
Heat pipes6× 6 mm copper
Height161 mm
Fans1× 120 mm PWM, up to 1,600 RPM
Rated cooling220 W (manufacturer rating)
Noise22 dBA (max)
RAM clearanceUnrestricted
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty6 years

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Cite this page: Hardware Spec Index, “Brontix CL-3977 Ultra Single tower Air CPU Cooler”, https://vextor7.com/item/9708429 (accessed 2026-10-20).