Hardware Spec Index

Caldera CL-5537 Ultra 280mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL5537-ULTRA · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index859 (CPU Coolers scale)
Category rank#15,776
Street price$29
Power13 W
Performance per dollar29.62
Released2022

Specifications

BrandCaldera
ModelCaldera CL-5537 Ultra
TypeAll-in-one liquid cooler
Radiator280 mm, aluminum, 38 mm thick
Fans2× 140 mm, up to 1,500 RPM
Pump2,900 RPM
Rated cooling280 W (manufacturer rating)
Noise28 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty5 years

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Cite this page: Hardware Spec Index, “Caldera CL-5537 Ultra 280mm AIO Liquid CPU Cooler”, https://vextor7.com/item/4883064 (accessed 2026-10-20).