Hardware Spec Index

Caldera CL-4644 XT 420mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL4644-XT · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index2,343 (CPU Coolers scale)
Category rank#15,274
Street price$179
Power17 W
Performance per dollar13.09
Released2023

Specifications

BrandCaldera
ModelCaldera CL-4644 XT
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 30 mm thick
Fans3× 140 mm, up to 1,800 RPM
Pump2,800 RPM
Rated cooling330 W (manufacturer rating)
Noise30 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty5 years

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Cite this page: Hardware Spec Index, “Caldera CL-4644 XT 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/8306765 (accessed 2026-10-19).