Hardware Spec Index

Caldera CL-1247 Ultra 420mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL1247-ULTRA · Released 2023 · Updated 2026-10-25

Key facts

Benchmark index2,097 (CPU Coolers scale)
Category rank#34,185
Street price$159
Power17 W
Performance per dollar13.19
Released2023

Specifications

BrandCaldera
ModelCaldera CL-1247 Ultra
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 27 mm thick
Fans3× 140 mm, up to 2,000 RPM
Pump3,300 RPM
Rated cooling330 W (manufacturer rating)
Noise25 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty5 years

Related guides

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

Similar CPU Coolers

ModelBenchmarkPriceCompare
Zephyra CL-7031 Plus 360mm AIO Liquid CPU Cooler1,440$69Compare
Teralux CL-1756 Edge Dual tower Air CPU Cooler2,212$169Compare
Zephyra CL-3987 Edge Single tower Air CPU Cooler1,623$99Compare
Teralux CL-4008 XT Single tower Air CPU Cooler1,826$109Compare
Caldera CL-3735 Ti Low profile Air CPU Cooler769$19Compare
Zephyra CL-6916 Max 420mm AIO Liquid CPU Cooler2,429$189Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-1247 Ultra 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/31360591 (accessed 2026-10-25).