Hardware Spec Index

Zephyra CL-6703 Ultra 280mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL6703-ULTRA · Released 2023 · Updated 2026-10-25

Key facts

Benchmark index1,718 (CPU Coolers scale)
Category rank#94
Street price$79
Power13 W
Performance per dollar21.75
Released2023

Specifications

BrandZephyra
ModelZephyra CL-6703 Ultra
TypeAll-in-one liquid cooler
Radiator280 mm, aluminum, 27 mm thick
Fans2× 140 mm, up to 1,500 RPM
Pump3,000 RPM
Rated cooling280 W (manufacturer rating)
Noise25 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty5 years

Related guides

AIO Liquid Cooling vs Air Cooling for CPUsCPU TDP, PPT and Turbo Power ExplainedAMD AM5 Socket

Similar CPU Coolers

ModelBenchmarkPriceCompare
Teralux CL-8821 XT Single tower Air CPU Cooler1,417$59Compare
Caldera CL-8072 SE Single tower Air CPU Cooler642$19Compare
Caldera CL-5419 Core Dual tower Air CPU Cooler1,809$129Compare
Zephyra CL-5200 Ultra Dual tower Air CPU Cooler2,480$189Compare
Caldera CL-8256 Max 360mm AIO Liquid CPU Cooler1,640$79Compare
Teralux CL-6501 Core Low profile Air CPU Cooler690$19Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Zephyra CL-6703 Ultra 280mm AIO Liquid CPU Cooler”, https://vextor7.com/item/96439029 (accessed 2026-10-25).