Hardware Spec Index

Zephyra CL-4644 Ultra Dual tower Air CPU Cooler

CPU Coolers · Zephyra · SKU CL4644-ULTRA · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index2,363 (CPU Coolers scale)
Category rank#899
Street price$159
Power6 W
Performance per dollar14.86
Released2020

Specifications

BrandZephyra
ModelZephyra CL-4644 Ultra
TypeDual tower air cooler
Heat pipes8× 6 mm copper
Height167 mm
Fans2× 120 mm PWM, up to 1,700 RPM
Rated cooling280 W (manufacturer rating)
Noise23 dBA (max)
RAM clearanceOffset fin stack, 45 mm
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty6 years

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Cite this page: Hardware Spec Index, “Zephyra CL-4644 Ultra Dual tower Air CPU Cooler”, https://vextor7.com/item/7650673 (accessed 2026-10-20).