Hardware Spec Index

Zephyra CL-3747 Ultra Dual tower Air CPU Cooler

CPU Coolers · Zephyra · SKU CL3747-ULTRA · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index2,250 (CPU Coolers scale)
Category rank#41,726
Street price$139
Power6 W
Performance per dollar16.19
Released2019

Specifications

BrandZephyra
ModelZephyra CL-3747 Ultra
TypeDual tower air cooler
Heat pipes8× 6 mm copper
Height167 mm
Fans2× 120 mm PWM, up to 1,500 RPM
Rated cooling280 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-3747 Ultra Dual tower Air CPU Cooler”, https://vextor7.com/item/94892320 (accessed 2026-10-22).