Hardware Spec Index

Caldera CL-9211 Pro 420mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL9211-PRO · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index2,296 (CPU Coolers scale)
Category rank#9,345
Street price$189
Power17 W
Performance per dollar12.15
Released2021

Specifications

BrandCaldera
ModelCaldera CL-9211 Pro
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 30 mm thick
Fans3× 140 mm, up to 1,800 RPM
Pump3,200 RPM
Rated cooling330 W (manufacturer rating)
Noise24 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-9211 Pro 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/85704994 (accessed 2026-10-22).