Hardware Spec Index

Caldera CL-6577 Ultra 420mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL6577-ULTRA · Released 2023 · Updated 2026-10-22

Key facts

Benchmark index1,921 (CPU Coolers scale)
Category rank#33,796
Street price$139
Power17 W
Performance per dollar13.82
Released2023

Specifications

BrandCaldera
ModelCaldera CL-6577 Ultra
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 27 mm thick
Fans3× 140 mm, up to 1,900 RPM
Pump2,900 RPM
Rated cooling330 W (manufacturer rating)
Noise27 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 years

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Cite this page: Hardware Spec Index, “Caldera CL-6577 Ultra 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/63259047 (accessed 2026-10-22).