Hardware Spec Index

Zephyra CL-1240 SE 420mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL1240-SE · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index2,319 (CPU Coolers scale)
Category rank#13,893
Street price$189
Power17 W
Performance per dollar12.27
Released2025

Specifications

BrandZephyra
ModelZephyra CL-1240 SE
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 30 mm thick
Fans3× 140 mm, up to 2,100 RPM
Pump3,300 RPM
Rated cooling330 W (manufacturer rating)
Noise36 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-5677 Prime 360mm AIO Liquid CPU Cooler2,007$119Compare
Caldera CL-2382 Ultra Low profile Air CPU Cooler571$19Compare
Brontix CL-5971 Ultra 280mm AIO Liquid CPU Cooler1,769$89Compare
Caldera CL-3546 Ti Single tower Air CPU Cooler1,290$49Compare
Brontix CL-1419 Max 240mm AIO Liquid CPU Cooler1,109$49Compare
Caldera CL-2669 XT 280mm AIO Liquid CPU Cooler1,572$79Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Zephyra CL-1240 SE 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/11225945 (accessed 2026-10-24).