Hardware Spec Index

Zephyra CL-8311 Ultra 240mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL8311-ULTRA · Released 2023 · Updated 2026-10-26

Key facts

Benchmark index647 (CPU Coolers scale)
Category rank#22,458
Street price$19
Power12 W
Performance per dollar34.05
Released2023

Specifications

BrandZephyra
ModelZephyra CL-8311 Ultra
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 27 mm thick
Fans2× 120 mm, up to 2,100 RPM
Pump3,200 RPM
Rated cooling250 W (manufacturer rating)
Noise35 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 years

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Cite this page: Hardware Spec Index, “Zephyra CL-8311 Ultra 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/4957508 (accessed 2026-10-26).