Hardware Spec Index

Zephyra CL-8521 SE 240mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL8521-SE · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index1,018 (CPU Coolers scale)
Category rank#5,056
Street price$29
Power12 W
Performance per dollar35.10
Released2021

Specifications

BrandZephyra
ModelZephyra CL-8521 SE
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 27 mm thick
Fans2× 120 mm, up to 1,500 RPM
Pump3,200 RPM
Rated cooling250 W (manufacturer rating)
Noise28 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty5 years

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Cite this page: Hardware Spec Index, “Zephyra CL-8521 SE 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/2339296 (accessed 2026-10-25).