Hardware Spec Index

Caldera CL-6538 Ultra Dual tower Air CPU Cooler

CPU Coolers · Caldera · SKU CL6538-ULTRA · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index2,102 (CPU Coolers scale)
Category rank#24,472
Street price$149
Power6 W
Performance per dollar14.11
Released2025

Specifications

BrandCaldera
ModelCaldera CL-6538 Ultra
TypeDual tower air cooler
Heat pipes8× 6 mm copper
Height166 mm
Fans2× 120 mm PWM, up to 2,100 RPM
Rated cooling280 W (manufacturer rating)
Noise29 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-6538 Ultra Dual tower Air CPU Cooler”, https://vextor7.com/item/12847469 (accessed 2026-10-24).