Hardware Spec Index

Brontix CL-3721 Ultra Low profile Air CPU Cooler

CPU Coolers · Brontix · SKU CL3721-ULTRA · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index919 (CPU Coolers scale)
Category rank#19,138
Street price$29
Power3 W
Performance per dollar31.69
Released2021

Specifications

BrandBrontix
ModelBrontix CL-3721 Ultra
TypeLow profile air cooler
Heat pipes4× 6 mm copper
Height49 mm
Fans1× 92 mm PWM, up to 2,100 RPM
Rated cooling95 W (manufacturer rating)
Noise28 dBA (max)
RAM clearanceUnrestricted
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty6 years

Related guides

AIO Liquid Cooling vs Air Cooling for CPUsCPU TDP, PPT and Turbo Power Explained

Similar CPU Coolers

ModelBenchmarkPriceCompare
Zephyra CL-7090 Plus Dual tower Air CPU Cooler2,083$149Compare
Caldera CL-9015 Edge 360mm AIO Liquid CPU Cooler2,257$169Compare
Caldera CL-4537 Prime Dual tower Air CPU Cooler1,744$99Compare
Brontix CL-3586 Edge Single tower Air CPU Cooler1,227$49Compare
Teralux CL-9894 XT Single tower Air CPU Cooler1,117$39Compare
Caldera CL-3173 Max 420mm AIO Liquid CPU Cooler2,059$119Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Brontix CL-3721 Ultra Low profile Air CPU Cooler”, https://vextor7.com/item/4251369 (accessed 2026-10-25).