Hardware Spec Index

Zephyra CL-6399 Ultra 280mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL6399-ULTRA · Released 2019 · Updated 2026-10-27

Key facts

Benchmark index950 (CPU Coolers scale)
Category rank#25,079
Street price$29
Power13 W
Performance per dollar32.76
Released2019

Specifications

BrandZephyra
ModelZephyra CL-6399 Ultra
TypeAll-in-one liquid cooler
Radiator280 mm, aluminum, 38 mm thick
Fans2× 140 mm, up to 2,300 RPM
Pump2,800 RPM
Rated cooling280 W (manufacturer rating)
Noise28 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty6 years

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Cite this page: Hardware Spec Index, “Zephyra CL-6399 Ultra 280mm AIO Liquid CPU Cooler”, https://vextor7.com/item/65028296 (accessed 2026-10-27).