Hardware Spec Index

Caldera CL-5551 Ultra 240mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL5551-ULTRA · Released 2020 · Updated 2026-10-24

Key facts

Benchmark index693 (CPU Coolers scale)
Category rank#46,670
Street price$19
Power12 W
Performance per dollar36.47
Released2020

Specifications

BrandCaldera
ModelCaldera CL-5551 Ultra
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 27 mm thick
Fans2× 120 mm, up to 2,300 RPM
Pump3,200 RPM
Rated cooling250 W (manufacturer rating)
Noise35 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty5 years

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Cite this page: Hardware Spec Index, “Caldera CL-5551 Ultra 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/2193128 (accessed 2026-10-24).