Hardware Spec Index

Caldera CL-8642 Ultra Dual tower Air CPU Cooler

CPU Coolers · Caldera · SKU CL8642-ULTRA · Released 2023 · Updated 2026-10-25

Key facts

Benchmark index1,716 (CPU Coolers scale)
Category rank#2,725
Street price$109
Power6 W
Performance per dollar15.74
Released2023

Specifications

BrandCaldera
ModelCaldera CL-8642 Ultra
TypeDual tower air cooler
Heat pipes8× 6 mm copper
Height166 mm
Fans2× 120 mm PWM, up to 1,600 RPM
Rated cooling280 W (manufacturer rating)
Noise31 dBA (max)
RAM clearanceOffset fin stack, 45 mm
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 years

Related guides

AIO Liquid Cooling vs Air Cooling for CPUsCPU TDP, PPT and Turbo Power ExplainedAMD AM5 Socket

Similar CPU Coolers

ModelBenchmarkPriceCompare
Zephyra CL-2245 Ti Single tower Air CPU Cooler704$19Compare
Brontix CL-3948 Ti Dual tower Air CPU Cooler2,322$199Compare
Zephyra CL-6568 Ultra Single tower Air CPU Cooler906$29Compare
Brontix CL-7172 SE 360mm AIO Liquid CPU Cooler2,430$169Compare
Zephyra CL-6323 Edge 280mm AIO Liquid CPU Cooler1,649$89Compare
Brontix CL-5769 Max Single tower Air CPU Cooler1,236$49Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-8642 Ultra Dual tower Air CPU Cooler”, https://vextor7.com/item/8873145 (accessed 2026-10-25).