Hardware Spec Index

Caldera CL-6640 Ultra 360mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL6640-ULTRA · Released 2024 · Updated 2026-10-21

Key facts

Benchmark index1,585 (CPU Coolers scale)
Category rank#30,450
Street price$89
Power15 W
Performance per dollar17.81
Released2024

Specifications

BrandCaldera
ModelCaldera CL-6640 Ultra
TypeAll-in-one liquid cooler
Radiator360 mm, aluminum, 30 mm thick
Fans3× 120 mm, up to 2,200 RPM
Pump3,300 RPM
Rated cooling300 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 SocketIntel LGA1851 Socket

Similar CPU Coolers

ModelBenchmarkPriceCompare
Teralux CL-9730 Core 280mm AIO Liquid CPU Cooler1,829$119Compare
Brontix CL-9641 Max Dual tower Air CPU Cooler2,435$169Compare
Caldera CL-9383 Plus Single tower Air CPU Cooler1,469$79Compare
Teralux CL-9090 XT 280mm AIO Liquid CPU Cooler1,588$79Compare
Teralux CL-9756 Ti 420mm AIO Liquid CPU Cooler2,358$179Compare
Caldera CL-9998 Ultra Dual tower Air CPU Cooler2,216$169Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-6640 Ultra 360mm AIO Liquid CPU Cooler”, https://vextor7.com/item/726154 (accessed 2026-10-21).