Hardware Spec Index

Caldera CL-3644 Ultra Dual tower Air CPU Cooler

CPU Coolers · Caldera · SKU CL3644-ULTRA · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index1,920 (CPU Coolers scale)
Category rank#22,051
Street price$109
Power6 W
Performance per dollar17.61
Released2025

Specifications

BrandCaldera
ModelCaldera CL-3644 Ultra
TypeDual tower air cooler
Heat pipes7× 6 mm copper
Height164 mm
Fans2× 120 mm PWM, up to 1,700 RPM
Rated cooling260 W (manufacturer rating)
Noise25 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 SocketIntel LGA1851 Socket

Similar CPU Coolers

ModelBenchmarkPriceCompare
Teralux CL-2053 Edge 240mm AIO Liquid CPU Cooler1,060$39Compare
Caldera CL-6320 Edge 240mm AIO Liquid CPU Cooler887$29Compare
Teralux CL-1596 SE Single tower Air CPU Cooler967$29Compare
Caldera CL-7920 SE Dual tower Air CPU Cooler1,952$129Compare
Teralux CL-9109 Ti Single tower Air CPU Cooler1,933$129Compare
Teralux CL-2705 SE Dual tower Air CPU Cooler2,278$189Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-3644 Ultra Dual tower Air CPU Cooler”, https://vextor7.com/item/89085570 (accessed 2026-10-23).