Hardware Spec Index

Caldera CL-6746 Ultra Dual tower Air CPU Cooler

CPU Coolers · Caldera · SKU CL6746-ULTRA · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index2,126 (CPU Coolers scale)
Category rank#13,619
Street price$149
Power6 W
Performance per dollar14.27
Released2020

Specifications

BrandCaldera
ModelCaldera CL-6746 Ultra
TypeDual tower air cooler
Heat pipes7× 6 mm copper
Height163 mm
Fans2× 120 mm PWM, up to 2,000 RPM
Rated cooling260 W (manufacturer rating)
Noise23 dBA (max)
RAM clearanceOffset fin stack, 45 mm
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
Caldera CL-2664 Ti Dual tower Air CPU Cooler2,280$159Compare
Teralux CL-2602 Ti Low profile Air CPU Cooler738$19Compare
Teralux CL-9267 SE Single tower Air CPU Cooler1,768$109Compare
Zephyra CL-4749 Ultra 240mm AIO Liquid CPU Cooler894$29Compare
Teralux CL-4281 Edge Single tower Air CPU Cooler608$19Compare
Zephyra CL-2902 Prime Dual tower Air CPU Cooler1,605$79Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-6746 Ultra Dual tower Air CPU Cooler”, https://vextor7.com/item/33704684 (accessed 2026-10-25).