Hardware Spec Index

Caldera CL-4542 Prime 420mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL4542-PRIME · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index2,365 (CPU Coolers scale)
Category rank#7,256
Street price$199
Power17 W
Performance per dollar11.88
Released2021

Specifications

BrandCaldera
ModelCaldera CL-4542 Prime
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 27 mm thick
Fans3× 140 mm, up to 2,100 RPM
Pump3,300 RPM
Rated cooling330 W (manufacturer rating)
Noise27 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty6 years

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Cite this page: Hardware Spec Index, “Caldera CL-4542 Prime 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/5575784 (accessed 2026-10-22).