Hardware Spec Index

Caldera CL-4928 Ultra 280mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL4928-ULTRA · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index963 (CPU Coolers scale)
Category rank#30,147
Street price$29
Power13 W
Performance per dollar33.21
Released2020

Specifications

BrandCaldera
ModelCaldera CL-4928 Ultra
TypeAll-in-one liquid cooler
Radiator280 mm, aluminum, 27 mm thick
Fans2× 140 mm, up to 2,300 RPM
Pump3,400 RPM
Rated cooling280 W (manufacturer rating)
Noise32 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-4928 Ultra 280mm AIO Liquid CPU Cooler”, https://vextor7.com/item/18836639 (accessed 2026-10-21).