Hardware Spec Index

Caldera CL-1891 Ultra Dual tower Air CPU Cooler

CPU Coolers · Caldera · SKU CL1891-ULTRA · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index1,516 (CPU Coolers scale)
Category rank#47,078
Street price$79
Power6 W
Performance per dollar19.19
Released2025

Specifications

BrandCaldera
ModelCaldera CL-1891 Ultra
TypeDual tower air cooler
Heat pipes7× 6 mm copper
Height163 mm
Fans2× 120 mm PWM, up to 1,500 RPM
Rated cooling260 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-1891 Ultra Dual tower Air CPU Cooler”, https://vextor7.com/item/3606860 (accessed 2026-10-23).