Hardware Spec Index

Caldera CL-5321 Ultra Single tower Air CPU Cooler

CPU Coolers · Caldera · SKU CL5321-ULTRA · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index946 (CPU Coolers scale)
Category rank#24,660
Street price$29
Power3 W
Performance per dollar32.62
Released2021

Specifications

BrandCaldera
ModelCaldera CL-5321 Ultra
TypeSingle tower air cooler
Heat pipes4× 6 mm copper
Height156 mm
Fans1× 120 mm PWM, up to 1,900 RPM
Rated cooling180 W (manufacturer rating)
Noise29 dBA (max)
RAM clearanceUnrestricted
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty6 years

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Cite this page: Hardware Spec Index, “Caldera CL-5321 Ultra Single tower Air CPU Cooler”, https://vextor7.com/item/21246367 (accessed 2026-10-24).