Hardware Spec Index

Zephyra CL-8399 Prime 420mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL8399-PRIME · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index2,066 (CPU Coolers scale)
Category rank#47,845
Street price$169
Power17 W
Performance per dollar12.22
Released2025

Specifications

BrandZephyra
ModelZephyra CL-8399 Prime
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 27 mm thick
Fans3× 140 mm, up to 1,900 RPM
Pump3,400 RPM
Rated cooling330 W (manufacturer rating)
Noise33 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 years

Related guides

AIO Liquid Cooling vs Air Cooling for CPUsCPU TDP, PPT and Turbo Power ExplainedAMD AM5 SocketIntel LGA1851 Socket

Similar CPU Coolers

ModelBenchmarkPriceCompare
Caldera CL-1804 Max 280mm AIO Liquid CPU Cooler1,221$49Compare
Zephyra CL-9466 Edge Single tower Air CPU Cooler991$29Compare
Caldera CL-3840 Plus Single tower Air CPU Cooler1,146$39Compare
Zephyra CL-1115 XT Low profile Air CPU Cooler583$19Compare
Brontix CL-5504 Edge 360mm AIO Liquid CPU Cooler1,670$79Compare
Brontix CL-6505 Edge 360mm AIO Liquid CPU Cooler1,733$89Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Zephyra CL-8399 Prime 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/10044796 (accessed 2026-10-24).