Hardware Spec Index

Caldera CL-1820 Ultra 280mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL1820-ULTRA · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index1,339 (CPU Coolers scale)
Category rank#33,942
Street price$69
Power13 W
Performance per dollar19.41
Released2025

Specifications

BrandCaldera
ModelCaldera CL-1820 Ultra
TypeAll-in-one liquid cooler
Radiator280 mm, aluminum, 27 mm thick
Fans2× 140 mm, up to 2,500 RPM
Pump3,300 RPM
Rated cooling280 W (manufacturer rating)
Noise30 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty5 years

Related guides

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Cite this page: Hardware Spec Index, “Caldera CL-1820 Ultra 280mm AIO Liquid CPU Cooler”, https://vextor7.com/item/1471673 (accessed 2026-10-21).