Hardware Spec Index

Caldera CL-9643 Ultra 240mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL9643-ULTRA · Released 2024 · Updated 2026-10-22

Key facts

Benchmark index793 (CPU Coolers scale)
Category rank#49,407
Street price$29
Power12 W
Performance per dollar27.34
Released2024

Specifications

BrandCaldera
ModelCaldera CL-9643 Ultra
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 38 mm thick
Fans2× 120 mm, up to 2,300 RPM
Pump3,200 RPM
Rated cooling250 W (manufacturer rating)
Noise30 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 years

Related guides

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Cite this page: Hardware Spec Index, “Caldera CL-9643 Ultra 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/15735549 (accessed 2026-10-22).