Hardware Spec Index

Caldera CL-6657 Core 240mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL6657-CORE · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index1,376 (CPU Coolers scale)
Category rank#11,650
Street price$69
Power12 W
Performance per dollar19.94
Released2021

Specifications

BrandCaldera
ModelCaldera CL-6657 Core
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 30 mm thick
Fans2× 120 mm, up to 1,800 RPM
Pump3,100 RPM
Rated cooling250 W (manufacturer rating)
Noise29 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty6 years

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Cite this page: Hardware Spec Index, “Caldera CL-6657 Core 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/20014029 (accessed 2026-10-19).