Hardware Spec Index

Caldera CL-4128 Ultra 420mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL4128-ULTRA · Released 2023 · Updated 2026-10-26

Key facts

Benchmark index2,254 (CPU Coolers scale)
Category rank#9,567
Street price$189
Power17 W
Performance per dollar11.93
Released2023

Specifications

BrandCaldera
ModelCaldera CL-4128 Ultra
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 30 mm thick
Fans3× 140 mm, up to 2,000 RPM
Pump2,900 RPM
Rated cooling330 W (manufacturer rating)
Noise36 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 years

Related guides

AIO Liquid Cooling vs Air Cooling for CPUsCPU TDP, PPT and Turbo Power ExplainedAMD AM5 Socket

Similar CPU Coolers

ModelBenchmarkPriceCompare
Teralux CL-6945 Plus 240mm AIO Liquid CPU Cooler1,215$39Compare
Caldera CL-1886 Ti 360mm AIO Liquid CPU Cooler1,628$89Compare
Teralux CL-1783 Plus Dual tower Air CPU Cooler2,333$159Compare
Zephyra CL-5298 Pro Single tower Air CPU Cooler1,263$49Compare
Caldera CL-8756 Core Single tower Air CPU Cooler1,438$59Compare
Caldera CL-4390 XT 420mm AIO Liquid CPU Cooler2,323$169Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-4128 Ultra 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/3987772 (accessed 2026-10-26).