Hardware Spec Index

Caldera CL-3640 XT 240mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL3640-XT · Released 2022 · Updated 2026-10-23

Key facts

Benchmark index1,046 (CPU Coolers scale)
Category rank#33,702
Street price$39
Power12 W
Performance per dollar26.82
Released2022

Specifications

BrandCaldera
ModelCaldera CL-3640 XT
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 27 mm thick
Fans2× 120 mm, up to 1,900 RPM
Pump3,400 RPM
Rated cooling250 W (manufacturer rating)
Noise25 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 Socket

Similar CPU Coolers

ModelBenchmarkPriceCompare
Caldera CL-2543 Prime Dual tower Air CPU Cooler2,332$159Compare
Caldera CL-6083 Pro Dual tower Air CPU Cooler2,321$179Compare
Teralux CL-2955 Pro Low profile Air CPU Cooler737$19Compare
Teralux CL-3033 Edge 360mm AIO Liquid CPU Cooler1,745$109Compare
Zephyra CL-3076 Prime 280mm AIO Liquid CPU Cooler1,241$49Compare
Caldera CL-8364 Ultra 360mm AIO Liquid CPU Cooler1,907$119Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-3640 XT 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/89081349 (accessed 2026-10-23).