Hardware Spec Index

Zephyra CL-5551 Prime 280mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL5551-PRIME · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index1,355 (CPU Coolers scale)
Category rank#36,788
Street price$79
Power13 W
Performance per dollar17.15
Released2019

Specifications

BrandZephyra
ModelZephyra CL-5551 Prime
TypeAll-in-one liquid cooler
Radiator280 mm, aluminum, 30 mm thick
Fans2× 140 mm, up to 2,000 RPM
Pump3,100 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-5551 Prime 280mm AIO Liquid CPU Cooler”, https://vextor7.com/item/7344643 (accessed 2026-10-19).