Hardware Spec Index

Zephyra CL-3681 Ultra Single tower Air CPU Cooler

CPU Coolers · Zephyra · SKU CL3681-ULTRA · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index1,058 (CPU Coolers scale)
Category rank#5,563
Street price$39
Power3 W
Performance per dollar27.13
Released2019

Specifications

BrandZephyra
ModelZephyra CL-3681 Ultra
TypeSingle tower air cooler
Heat pipes6× 6 mm copper
Height159 mm
Fans1× 120 mm PWM, up to 1,600 RPM
Rated cooling220 W (manufacturer rating)
Noise26 dBA (max)
RAM clearanceUnrestricted
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty6 years

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Cite this page: Hardware Spec Index, “Zephyra CL-3681 Ultra Single tower Air CPU Cooler”, https://vextor7.com/item/2874258 (accessed 2026-10-22).