Hardware Spec Index

Zephyra CL-6491 Ultra Single tower Air CPU Cooler

CPU Coolers · Zephyra · SKU CL6491-ULTRA · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index1,329 (CPU Coolers scale)
Category rank#4,329
Street price$59
Power3 W
Performance per dollar22.53
Released2019

Specifications

BrandZephyra
ModelZephyra CL-6491 Ultra
TypeSingle tower air cooler
Heat pipes4× 6 mm copper
Height156 mm
Fans1× 120 mm PWM, up to 1,600 RPM
Rated cooling180 W (manufacturer rating)
Noise26 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-2994 Pro Dual tower Air CPU Cooler2,381$179Compare
Teralux CL-1158 Core Dual tower Air CPU Cooler2,168$159Compare
Caldera CL-3081 SE Dual tower Air CPU Cooler1,294$59Compare
Zephyra CL-7379 Plus Dual tower Air CPU Cooler1,756$99Compare
Zephyra CL-2428 SE Dual tower Air CPU Cooler2,445$169Compare
Brontix CL-1115 SE 280mm AIO Liquid CPU Cooler920$29Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Zephyra CL-6491 Ultra Single tower Air CPU Cooler”, https://vextor7.com/item/989133 (accessed 2026-10-19).