Hardware Spec Index

Caldera CL-3648 Ultra Dual tower Air CPU Cooler

CPU Coolers · Caldera · SKU CL3648-ULTRA · Released 2023 · Updated 2026-10-23

Key facts

Benchmark index2,052 (CPU Coolers scale)
Category rank#33,080
Street price$139
Power6 W
Performance per dollar14.76
Released2023

Specifications

BrandCaldera
ModelCaldera CL-3648 Ultra
TypeDual tower air cooler
Heat pipes8× 6 mm copper
Height167 mm
Fans2× 120 mm PWM, up to 1,800 RPM
Rated cooling280 W (manufacturer rating)
Noise32 dBA (max)
RAM clearanceOffset fin stack, 45 mm
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 years

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Cite this page: Hardware Spec Index, “Caldera CL-3648 Ultra Dual tower Air CPU Cooler”, https://vextor7.com/item/14752181 (accessed 2026-10-23).