Hardware Spec Index

Zephyra CL-3683 Ultra 240mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL3683-ULTRA · Released 2026 · Updated 2026-10-25

Key facts

Benchmark index836 (CPU Coolers scale)
Category rank#43,262
Street price$29
Power12 W
Performance per dollar28.83
Released2026

Specifications

BrandZephyra
ModelZephyra CL-3683 Ultra
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 27 mm thick
Fans2× 120 mm, up to 1,600 RPM
Pump3,300 RPM
Rated cooling250 W (manufacturer rating)
Noise31 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
Zephyra CL-9020 Prime 240mm AIO Liquid CPU Cooler1,001$29Compare
Caldera CL-1707 Core Dual tower Air CPU Cooler1,984$109Compare
Brontix CL-6979 XT 240mm AIO Liquid CPU Cooler886$29Compare
Zephyra CL-6640 Prime Dual tower Air CPU Cooler1,797$99Compare
Zephyra CL-7974 SE Single tower Air CPU Cooler1,975$139Compare
Brontix CL-2723 Prime Dual tower Air CPU Cooler1,873$129Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Zephyra CL-3683 Ultra 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/76522875 (accessed 2026-10-25).