Hardware Spec Index

Caldera CL-4946 Ultra 280mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL4946-ULTRA · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index822 (CPU Coolers scale)
Category rank#17,526
Street price$29
Power13 W
Performance per dollar28.34
Released2022

Specifications

BrandCaldera
ModelCaldera CL-4946 Ultra
TypeAll-in-one liquid cooler
Radiator280 mm, aluminum, 30 mm thick
Fans2× 140 mm, up to 1,600 RPM
Pump3,300 RPM
Rated cooling280 W (manufacturer rating)
Noise25 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-4946 Ultra 280mm AIO Liquid CPU Cooler”, https://vextor7.com/item/9507598 (accessed 2026-10-19).