Hardware Spec Index

Zephyra CL-2838 Ultra 420mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL2838-ULTRA · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index2,046 (CPU Coolers scale)
Category rank#33,101
Street price$139
Power17 W
Performance per dollar14.72
Released2019

Specifications

BrandZephyra
ModelZephyra CL-2838 Ultra
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 27 mm thick
Fans3× 140 mm, up to 2,100 RPM
Pump3,400 RPM
Rated cooling330 W (manufacturer rating)
Noise29 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-2838 Ultra 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/3485622 (accessed 2026-10-22).