Hardware Spec Index

Zephyra CL-6911 Ultra Single tower Air CPU Cooler

CPU Coolers · Zephyra · SKU CL6911-ULTRA · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index1,131 (CPU Coolers scale)
Category rank#33,768
Street price$49
Power3 W
Performance per dollar23.08
Released2019

Specifications

BrandZephyra
ModelZephyra CL-6911 Ultra
TypeSingle tower air cooler
Heat pipes4× 6 mm copper
Height158 mm
Fans1× 120 mm PWM, up to 2,200 RPM
Rated cooling180 W (manufacturer rating)
Noise29 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
Zephyra CL-9575 Core 420mm AIO Liquid CPU Cooler2,423$199Compare
Zephyra CL-8294 SE Dual tower Air CPU Cooler2,007$159Compare
Caldera CL-8044 Pro Dual tower Air CPU Cooler2,480$199Compare
Zephyra CL-5658 Ti 360mm AIO Liquid CPU Cooler1,314$59Compare
Caldera CL-8776 Ultra Dual tower Air CPU Cooler2,396$169Compare
Caldera CL-4393 Edge Low profile Air CPU Cooler958$39Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Zephyra CL-6911 Ultra Single tower Air CPU Cooler”, https://vextor7.com/item/80247640 (accessed 2026-10-19).