Hardware Spec Index

Caldera CL-9937 Core 420mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL9937-CORE · Released 2023 · Updated 2026-10-22

Key facts

Benchmark index2,273 (CPU Coolers scale)
Category rank#29,446
Street price$149
Power17 W
Performance per dollar15.26
Released2023

Specifications

BrandCaldera
ModelCaldera CL-9937 Core
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 38 mm thick
Fans3× 140 mm, up to 1,500 RPM
Pump3,200 RPM
Rated cooling330 W (manufacturer rating)
Noise31 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-9937 Core 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/7518014 (accessed 2026-10-22).