Hardware Spec Index

Brontix CL-3921 XT Single tower Air CPU Cooler

CPU Coolers · Brontix · SKU CL3921-XT · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index1,242 (CPU Coolers scale)
Category rank#8,241
Street price$49
Power3 W
Performance per dollar25.35
Released2020

Specifications

BrandBrontix
ModelBrontix CL-3921 XT
TypeSingle tower air cooler
Heat pipes4× 6 mm copper
Height157 mm
Fans1× 120 mm PWM, up to 2,200 RPM
Rated cooling180 W (manufacturer rating)
Noise23 dBA (max)
RAM clearanceUnrestricted
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty6 years

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Cite this page: Hardware Spec Index, “Brontix CL-3921 XT Single tower Air CPU Cooler”, https://vextor7.com/item/7076581 (accessed 2026-10-21).