Hardware Spec Index

Caldera CL-6540 Plus 280mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL6540-PLUS · Released 2023 · Updated 2026-10-26

Key facts

Benchmark index1,895 (CPU Coolers scale)
Category rank#8,282
Street price$109
Power13 W
Performance per dollar17.39
Released2023

Specifications

BrandCaldera
ModelCaldera CL-6540 Plus
TypeAll-in-one liquid cooler
Radiator280 mm, aluminum, 30 mm thick
Fans2× 140 mm, up to 2,000 RPM
Pump3,400 RPM
Rated cooling280 W (manufacturer rating)
Noise36 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-6540 Plus 280mm AIO Liquid CPU Cooler”, https://vextor7.com/item/31670376 (accessed 2026-10-26).