Hardware Spec Index

Zephyra CL-4394 Ultra Single tower Air CPU Cooler

CPU Coolers · Zephyra · SKU CL4394-ULTRA · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index1,072 (CPU Coolers scale)
Category rank#21,036
Street price$39
Power3 W
Performance per dollar27.49
Released2019

Specifications

BrandZephyra
ModelZephyra CL-4394 Ultra
TypeSingle tower air cooler
Heat pipes4× 6 mm copper
Height157 mm
Fans1× 120 mm PWM, up to 1,600 RPM
Rated cooling180 W (manufacturer rating)
Noise23 dBA (max)
RAM clearanceUnrestricted
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty6 years

Related guides

AIO Liquid Cooling vs Air Cooling for CPUsCPU TDP, PPT and Turbo Power Explained

Similar CPU Coolers

ModelBenchmarkPriceCompare
Teralux CL-1317 Core Dual tower Air CPU Cooler1,565$69Compare
Brontix CL-7263 SE Dual tower Air CPU Cooler1,746$109Compare
Caldera CL-5375 Prime Single tower Air CPU Cooler1,423$69Compare
Caldera CL-4700 SE 360mm AIO Liquid CPU Cooler1,185$49Compare
Caldera CL-7548 Ultra 360mm AIO Liquid CPU Cooler1,843$109Compare
Brontix CL-3957 Ti 240mm AIO Liquid CPU Cooler809$29Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Zephyra CL-4394 Ultra Single tower Air CPU Cooler”, https://vextor7.com/item/15908799 (accessed 2026-10-25).