Hardware Spec Index

Zephyra CL-9550 Prime 420mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL9550-PRIME · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index2,194 (CPU Coolers scale)
Category rank#36,707
Street price$179
Power17 W
Performance per dollar12.26
Released2021

Specifications

BrandZephyra
ModelZephyra CL-9550 Prime
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 27 mm thick
Fans3× 140 mm, up to 2,300 RPM
Pump3,100 RPM
Rated cooling330 W (manufacturer rating)
Noise25 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty5 years

Related guides

AIO Liquid Cooling vs Air Cooling for CPUsCPU TDP, PPT and Turbo Power Explained

Similar CPU Coolers

ModelBenchmarkPriceCompare
Brontix CL-3458 Core Low profile Air CPU Cooler1,181$39Compare
Zephyra CL-5049 XT Dual tower Air CPU Cooler2,374$179Compare
Caldera CL-6308 Ultra 240mm AIO Liquid CPU Cooler648$19Compare
Brontix CL-6832 XT Single tower Air CPU Cooler997$39Compare
Zephyra CL-6390 Edge Single tower Air CPU Cooler1,457$89Compare
Caldera CL-3299 Plus 240mm AIO Liquid CPU Cooler813$19Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Zephyra CL-9550 Prime 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/1087355 (accessed 2026-10-22).