Hardware Spec Index

Caldera CL-5540 Ultra 240mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL5540-ULTRA · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index1,133 (CPU Coolers scale)
Category rank#45,769
Street price$39
Power12 W
Performance per dollar29.05
Released2025

Specifications

BrandCaldera
ModelCaldera CL-5540 Ultra
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 27 mm thick
Fans2× 120 mm, up to 1,800 RPM
Pump2,900 RPM
Rated cooling250 W (manufacturer rating)
Noise28 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-5540 Ultra 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/15965448 (accessed 2026-10-26).