Hardware Spec Index

Caldera CL-2309 Ultra 240mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL2309-ULTRA · Released 2019 · Updated 2026-10-27

Key facts

Benchmark index677 (CPU Coolers scale)
Category rank#46,349
Street price$19
Power12 W
Performance per dollar35.63
Released2019

Specifications

BrandCaldera
ModelCaldera CL-2309 Ultra
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 27 mm thick
Fans2× 120 mm, up to 1,900 RPM
Pump2,800 RPM
Rated cooling250 W (manufacturer rating)
Noise34 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty6 years

Related guides

AIO Liquid Cooling vs Air Cooling for CPUsCPU TDP, PPT and Turbo Power Explained

Similar CPU Coolers

ModelBenchmarkPriceCompare
Caldera CL-7403 Pro 360mm AIO Liquid CPU Cooler1,545$89Compare
Zephyra CL-4204 Core 420mm AIO Liquid CPU Cooler2,480$189Compare
Caldera CL-7584 Pro Dual tower Air CPU Cooler2,450$199Compare
Zephyra CL-9498 XT 420mm AIO Liquid CPU Cooler2,157$169Compare
Teralux CL-8494 Plus 360mm AIO Liquid CPU Cooler2,417$179Compare
Teralux CL-8418 Ultra 420mm AIO Liquid CPU Cooler2,240$159Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-2309 Ultra 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/12968491 (accessed 2026-10-27).