Hardware Spec Index

Brontix CL-3921 Pro Low profile Air CPU Cooler

CPU Coolers · Brontix · SKU CL3921-PRO · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index974 (CPU Coolers scale)
Category rank#37,458
Street price$29
Power3 W
Performance per dollar33.59
Released2025

Specifications

BrandBrontix
ModelBrontix CL-3921 Pro
TypeLow profile air cooler
Heat pipes4× 6 mm copper
Height48 mm
Fans1× 92 mm PWM, up to 1,700 RPM
Rated cooling95 W (manufacturer rating)
Noise23 dBA (max)
RAM clearanceUnrestricted
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 years

Related guides

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Cite this page: Hardware Spec Index, “Brontix CL-3921 Pro Low profile Air CPU Cooler”, https://vextor7.com/item/9782647 (accessed 2026-10-25).