Hardware Spec Index

Caldera CL-6743 Core 420mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL6743-CORE · Released 2023 · Updated 2026-10-18

Key facts

Benchmark index2,224 (CPU Coolers scale)
Category rank#38,815
Street price$139
Power17 W
Performance per dollar16.00
Released2023

Specifications

BrandCaldera
ModelCaldera CL-6743 Core
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 27 mm thick
Fans3× 140 mm, up to 2,500 RPM
Pump3,000 RPM
Rated cooling330 W (manufacturer rating)
Noise36 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-6743 Core 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/17513852 (accessed 2026-10-18).