Hardware Spec Index

Zephyra CL-4740 Ultra 240mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL4740-ULTRA · Released 2024 · Updated 2026-10-26

Key facts

Benchmark index1,511 (CPU Coolers scale)
Category rank#24,411
Street price$69
Power12 W
Performance per dollar21.90
Released2024

Specifications

BrandZephyra
ModelZephyra CL-4740 Ultra
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 38 mm thick
Fans2× 120 mm, up to 2,100 RPM
Pump3,400 RPM
Rated cooling250 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
Zephyra CL-6093 Edge 240mm AIO Liquid CPU Cooler1,203$39Compare
Teralux CL-2826 Ultra Low profile Air CPU Cooler509$19Compare
Zephyra CL-1783 SE Low profile Air CPU Cooler841$29Compare
Brontix CL-7848 Prime Single tower Air CPU Cooler1,605$89Compare
Zephyra CL-8153 Prime Dual tower Air CPU Cooler1,929$109Compare
Caldera CL-7256 Prime 360mm AIO Liquid CPU Cooler2,194$189Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Zephyra CL-4740 Ultra 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/4675406 (accessed 2026-10-26).