Hardware Spec Index

Caldera CL-2391 Ultra Dual tower Air CPU Cooler

CPU Coolers · Caldera · SKU CL2391-ULTRA · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index1,453 (CPU Coolers scale)
Category rank#24,467
Street price$69
Power6 W
Performance per dollar21.06
Released2019

Specifications

BrandCaldera
ModelCaldera CL-2391 Ultra
TypeDual tower air cooler
Heat pipes7× 6 mm copper
Height163 mm
Fans2× 120 mm PWM, up to 2,100 RPM
Rated cooling260 W (manufacturer rating)
Noise28 dBA (max)
RAM clearanceOffset fin stack, 45 mm
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty6 years

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Cite this page: Hardware Spec Index, “Caldera CL-2391 Ultra Dual tower Air CPU Cooler”, https://vextor7.com/item/4331622 (accessed 2026-10-21).