Hardware Spec Index

Zephyra CL-3857 Ultra 280mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL3857-ULTRA · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index1,579 (CPU Coolers scale)
Category rank#18,009
Street price$89
Power13 W
Performance per dollar17.74
Released2019

Specifications

BrandZephyra
ModelZephyra CL-3857 Ultra
TypeAll-in-one liquid cooler
Radiator280 mm, aluminum, 30 mm thick
Fans2× 140 mm, up to 2,300 RPM
Pump3,000 RPM
Rated cooling280 W (manufacturer rating)
Noise34 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-3857 Ultra 280mm AIO Liquid CPU Cooler”, https://vextor7.com/item/5861673 (accessed 2026-10-22).