Hardware Spec Index

Caldera CL-9721 Pro 240mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL9721-PRO · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index992 (CPU Coolers scale)
Category rank#48,605
Street price$29
Power12 W
Performance per dollar34.21
Released2019

Specifications

BrandCaldera
ModelCaldera CL-9721 Pro
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 38 mm thick
Fans2× 120 mm, up to 1,900 RPM
Pump2,900 RPM
Rated cooling250 W (manufacturer rating)
Noise28 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty5 years

Related guides

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

Similar CPU Coolers

ModelBenchmarkPriceCompare
Teralux CL-3876 Prime 420mm AIO Liquid CPU Cooler1,824$119Compare
Caldera CL-2025 Max 360mm AIO Liquid CPU Cooler1,500$69Compare
Caldera CL-7445 Ultra 360mm AIO Liquid CPU Cooler1,593$69Compare
Caldera CL-8072 SE Single tower Air CPU Cooler1,297$49Compare
Zephyra CL-6886 Ti Dual tower Air CPU Cooler1,358$69Compare
Teralux CL-1995 Edge Single tower Air CPU Cooler1,768$99Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-9721 Pro 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/25758597 (accessed 2026-10-19).