Hardware Spec Index

Zephyra CL-7704 Ultra 420mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL7704-ULTRA · Released 2026 · Updated 2026-10-19

Key facts

Benchmark index2,322 (CPU Coolers scale)
Category rank#3,948
Street price$159
Power17 W
Performance per dollar14.60
Released2026

Specifications

BrandZephyra
ModelZephyra CL-7704 Ultra
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 38 mm thick
Fans3× 140 mm, up to 1,500 RPM
Pump2,900 RPM
Rated cooling330 W (manufacturer rating)
Noise25 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty5 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-8623 Pro Dual tower Air CPU Cooler1,544$79Compare
Zephyra CL-1567 Max 360mm AIO Liquid CPU Cooler2,272$189Compare
Caldera CL-1917 Prime 360mm AIO Liquid CPU Cooler2,453$189Compare
Brontix CL-6247 Pro 420mm AIO Liquid CPU Cooler2,339$149Compare
Brontix CL-3856 Max Low profile Air CPU Cooler1,030$39Compare
Brontix CL-8897 SE Single tower Air CPU Cooler1,450$79Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Zephyra CL-7704 Ultra 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/396675 (accessed 2026-10-19).