Hardware Spec Index

Zephyra CL-4240 Ultra 240mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL4240-ULTRA · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index732 (CPU Coolers scale)
Category rank#22,469
Street price$19
Power12 W
Performance per dollar38.53
Released2025

Specifications

BrandZephyra
ModelZephyra CL-4240 Ultra
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 30 mm thick
Fans2× 120 mm, up to 1,500 RPM
Pump3,300 RPM
Rated cooling250 W (manufacturer rating)
Noise26 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-9850 SE 280mm AIO Liquid CPU Cooler1,757$89Compare
Zephyra CL-5627 Pro 420mm AIO Liquid CPU Cooler2,380$169Compare
Caldera CL-6213 Ti 240mm AIO Liquid CPU Cooler511$19Compare
Brontix CL-1722 Plus 420mm AIO Liquid CPU Cooler1,952$139Compare
Brontix CL-5459 Max Dual tower Air CPU Cooler1,370$69Compare
Teralux CL-8257 SE Single tower Air CPU Cooler1,225$49Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Zephyra CL-4240 Ultra 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/82948488 (accessed 2026-10-21).