Hardware Spec Index

Caldera CL-4721 Ultra 240mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL4721-ULTRA · Released 2023 · Updated 2026-10-22

Key facts

Benchmark index772 (CPU Coolers scale)
Category rank#7,952
Street price$29
Power12 W
Performance per dollar26.62
Released2023

Specifications

BrandCaldera
ModelCaldera CL-4721 Ultra
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 27 mm thick
Fans2× 120 mm, up to 1,800 RPM
Pump2,800 RPM
Rated cooling250 W (manufacturer rating)
Noise36 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-4721 Ultra 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/63252806 (accessed 2026-10-22).