Hardware Spec Index

Zephyra CL-6721 Ultra 360mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL6721-ULTRA · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index1,623 (CPU Coolers scale)
Category rank#48,109
Street price$109
Power15 W
Performance per dollar14.89
Released2022

Specifications

BrandZephyra
ModelZephyra CL-6721 Ultra
TypeAll-in-one liquid cooler
Radiator360 mm, aluminum, 38 mm thick
Fans3× 120 mm, up to 2,300 RPM
Pump3,100 RPM
Rated cooling300 W (manufacturer rating)
Noise25 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 years

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Cite this page: Hardware Spec Index, “Zephyra CL-6721 Ultra 360mm AIO Liquid CPU Cooler”, https://vextor7.com/item/2962287 (accessed 2026-10-20).