Hardware Spec Index

Caldera CL-6644 XT Dual tower Air CPU Cooler

CPU Coolers · Caldera · SKU CL6644-XT · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index2,019 (CPU Coolers scale)
Category rank#29,939
Street price$129
Power6 W
Performance per dollar15.65
Released2019

Specifications

BrandCaldera
ModelCaldera CL-6644 XT
TypeDual tower air cooler
Heat pipes8× 6 mm copper
Height166 mm
Fans2× 120 mm PWM, up to 1,500 RPM
Rated cooling280 W (manufacturer rating)
Noise25 dBA (max)
RAM clearanceOffset fin stack, 45 mm
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
Brontix CL-7964 SE 420mm AIO Liquid CPU Cooler2,109$179Compare
Brontix CL-6774 XT Dual tower Air CPU Cooler2,389$179Compare
Caldera CL-7651 SE 280mm AIO Liquid CPU Cooler1,682$89Compare
Brontix CL-2551 Prime Low profile Air CPU Cooler1,227$39Compare
Zephyra CL-9407 Prime Single tower Air CPU Cooler601$19Compare
Teralux CL-2074 Ti 240mm AIO Liquid CPU Cooler466$19Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-6644 XT Dual tower Air CPU Cooler”, https://vextor7.com/item/41004983 (accessed 2026-10-20).