Hardware Spec Index

Caldera CL-5644 Ultra Dual tower Air CPU Cooler

CPU Coolers · Caldera · SKU CL5644-ULTRA · Released 2022 · Updated 2026-10-22

Key facts

Benchmark index1,985 (CPU Coolers scale)
Category rank#44,918
Street price$109
Power6 W
Performance per dollar18.21
Released2022

Specifications

BrandCaldera
ModelCaldera CL-5644 Ultra
TypeDual tower air cooler
Heat pipes8× 6 mm copper
Height168 mm
Fans2× 120 mm PWM, up to 2,200 RPM
Rated cooling280 W (manufacturer rating)
Noise32 dBA (max)
RAM clearanceOffset fin stack, 45 mm
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
Zephyra CL-4263 Plus Single tower Air CPU Cooler1,905$109Compare
Caldera CL-3494 Ultra 240mm AIO Liquid CPU Cooler992$39Compare
Caldera CL-3753 Pro Dual tower Air CPU Cooler2,364$149Compare
Teralux CL-8523 Ultra Single tower Air CPU Cooler1,283$49Compare
Brontix CL-8671 Pro 360mm AIO Liquid CPU Cooler1,935$129Compare
Teralux CL-6280 Prime Single tower Air CPU Cooler1,505$89Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-5644 Ultra Dual tower Air CPU Cooler”, https://vextor7.com/item/5605073 (accessed 2026-10-22).