Hardware Spec Index

Caldera CL-1668 Ultra 280mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL1668-ULTRA · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index955 (CPU Coolers scale)
Category rank#31,254
Street price$29
Power13 W
Performance per dollar32.93
Released2025

Specifications

BrandCaldera
ModelCaldera CL-1668 Ultra
TypeAll-in-one liquid cooler
Radiator280 mm, aluminum, 38 mm thick
Fans2× 140 mm, up to 2,000 RPM
Pump2,900 RPM
Rated cooling280 W (manufacturer rating)
Noise36 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-1668 Ultra 280mm AIO Liquid CPU Cooler”, https://vextor7.com/item/3673329 (accessed 2026-10-20).