Hardware Spec Index

Zephyra CL-4638 Ultra Dual tower Air CPU Cooler

CPU Coolers · Zephyra · SKU CL4638-ULTRA · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index1,431 (CPU Coolers scale)
Category rank#11,099
Street price$79
Power6 W
Performance per dollar18.11
Released2021

Specifications

BrandZephyra
ModelZephyra CL-4638 Ultra
TypeDual tower air cooler
Heat pipes7× 6 mm copper
Height163 mm
Fans2× 120 mm PWM, up to 2,000 RPM
Rated cooling260 W (manufacturer rating)
Noise28 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-4638 Ultra Dual tower Air CPU Cooler”, https://vextor7.com/item/92329316 (accessed 2026-10-22).