Hardware Spec Index

Zephyra CL-2604 Ultra 420mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL2604-ULTRA · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index2,480 (CPU Coolers scale)
Category rank#32,940
Street price$199
Power17 W
Performance per dollar12.46
Released2020

Specifications

BrandZephyra
ModelZephyra CL-2604 Ultra
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 38 mm thick
Fans3× 140 mm, up to 1,500 RPM
Pump3,000 RPM
Rated cooling330 W (manufacturer rating)
Noise28 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty6 years

Related guides

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

Similar CPU Coolers

ModelBenchmarkPriceCompare
Zephyra CL-4033 Core 280mm AIO Liquid CPU Cooler1,510$69Compare
Brontix CL-8621 Core Single tower Air CPU Cooler1,621$79Compare
Caldera CL-8899 Prime 360mm AIO Liquid CPU Cooler1,532$79Compare
Caldera CL-6585 Plus 360mm AIO Liquid CPU Cooler1,596$89Compare
Zephyra CL-4611 Pro Single tower Air CPU Cooler1,199$49Compare
Zephyra CL-4714 Ultra Dual tower Air CPU Cooler2,315$199Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Zephyra CL-2604 Ultra 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/6180347 (accessed 2026-10-19).