Hardware Spec Index

Caldera CL-5903 Prime Single tower Air CPU Cooler

CPU Coolers · Caldera · SKU CL5903-PRIME · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index1,867 (CPU Coolers scale)
Category rank#25,406
Street price$99
Power3 W
Performance per dollar18.86
Released2022

Specifications

BrandCaldera
ModelCaldera CL-5903 Prime
TypeSingle tower air cooler
Heat pipes6× 6 mm copper
Height158 mm
Fans1× 120 mm PWM, up to 2,100 RPM
Rated cooling220 W (manufacturer rating)
Noise24 dBA (max)
RAM clearanceUnrestricted
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 years

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Cite this page: Hardware Spec Index, “Caldera CL-5903 Prime Single tower Air CPU Cooler”, https://vextor7.com/item/45305636 (accessed 2026-10-19).