Hardware Spec Index

Caldera CL-8243 Ultra 420mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL8243-ULTRA · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index2,480 (CPU Coolers scale)
Category rank#48,419
Street price$189
Power17 W
Performance per dollar13.12
Released2019

Specifications

BrandCaldera
ModelCaldera CL-8243 Ultra
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 27 mm thick
Fans3× 140 mm, up to 2,400 RPM
Pump2,800 RPM
Rated cooling330 W (manufacturer rating)
Noise32 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty5 years

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Cite this page: Hardware Spec Index, “Caldera CL-8243 Ultra 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/91491516 (accessed 2026-10-23).