Hardware Spec Index

Caldera CL-9640 Plus Dual tower Air CPU Cooler

CPU Coolers · Caldera · SKU CL9640-PLUS · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index1,985 (CPU Coolers scale)
Category rank#7,296
Street price$129
Power6 W
Performance per dollar15.39
Released2023

Specifications

BrandCaldera
ModelCaldera CL-9640 Plus
TypeDual tower air cooler
Heat pipes7× 6 mm copper
Height164 mm
Fans2× 120 mm PWM, up to 2,000 RPM
Rated cooling260 W (manufacturer rating)
Noise29 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-1781 Pro 360mm AIO Liquid CPU Cooler2,171$149Compare
Brontix CL-5584 SE Low profile Air CPU Cooler499$19Compare
Brontix CL-5791 Pro Dual tower Air CPU Cooler2,092$159Compare
Caldera CL-8379 Pro Single tower Air CPU Cooler1,762$99Compare
Caldera CL-3209 Plus 360mm AIO Liquid CPU Cooler1,640$79Compare
Brontix CL-5568 Plus 240mm AIO Liquid CPU Cooler708$19Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-9640 Plus Dual tower Air CPU Cooler”, https://vextor7.com/item/76355986 (accessed 2026-10-19).