Hardware Spec Index

Caldera CL-4273 Pro 420mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL4273-PRO · Released 2024 · Updated 2026-10-26

Key facts

Benchmark index2,286 (CPU Coolers scale)
Category rank#41,357
Street price$149
Power17 W
Performance per dollar15.34
Released2024

Specifications

BrandCaldera
ModelCaldera CL-4273 Pro
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 27 mm thick
Fans3× 140 mm, up to 2,200 RPM
Pump3,400 RPM
Rated cooling330 W (manufacturer rating)
Noise31 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 SocketIntel LGA1851 Socket

Similar CPU Coolers

ModelBenchmarkPriceCompare
Caldera CL-4183 Pro 360mm AIO Liquid CPU Cooler1,955$139Compare
Zephyra CL-5373 Ti 240mm AIO Liquid CPU Cooler1,084$39Compare
Brontix CL-6185 Ti Dual tower Air CPU Cooler2,372$179Compare
Zephyra CL-7216 Core 360mm AIO Liquid CPU Cooler2,255$159Compare
Teralux CL-7222 Plus Dual tower Air CPU Cooler2,315$179Compare
Caldera CL-8606 Pro Low profile Air CPU Cooler950$29Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-4273 Pro 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/82325258 (accessed 2026-10-26).