Hardware Spec Index

Caldera CL-6545 Ultra 280mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL6545-ULTRA · Released 2023 · Updated 2026-10-24

Key facts

Benchmark index1,043 (CPU Coolers scale)
Category rank#26,416
Street price$39
Power13 W
Performance per dollar26.74
Released2023

Specifications

BrandCaldera
ModelCaldera CL-6545 Ultra
TypeAll-in-one liquid cooler
Radiator280 mm, aluminum, 27 mm thick
Fans2× 140 mm, up to 1,600 RPM
Pump2,800 RPM
Rated cooling280 W (manufacturer rating)
Noise33 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-6545 Ultra 280mm AIO Liquid CPU Cooler”, https://vextor7.com/item/3615475 (accessed 2026-10-24).