Hardware Spec Index

Zephyra CL-3640 Ultra Dual tower Air CPU Cooler

CPU Coolers · Zephyra · SKU CL3640-ULTRA · Released 2022 · Updated 2026-10-26

Key facts

Benchmark index2,021 (CPU Coolers scale)
Category rank#801
Street price$129
Power6 W
Performance per dollar15.67
Released2022

Specifications

BrandZephyra
ModelZephyra CL-3640 Ultra
TypeDual tower air cooler
Heat pipes7× 6 mm copper
Height165 mm
Fans2× 120 mm PWM, up to 2,100 RPM
Rated cooling260 W (manufacturer rating)
Noise23 dBA (max)
RAM clearanceOffset fin stack, 45 mm
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 years

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Cite this page: Hardware Spec Index, “Zephyra CL-3640 Ultra Dual tower Air CPU Cooler”, https://vextor7.com/item/7607832 (accessed 2026-10-26).