Hardware Spec Index

Zephyra CL-6840 Prime 240mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL6840-PRIME · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index1,054 (CPU Coolers scale)
Category rank#42,446
Street price$49
Power12 W
Performance per dollar21.51
Released2025

Specifications

BrandZephyra
ModelZephyra CL-6840 Prime
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 30 mm thick
Fans2× 120 mm, up to 2,200 RPM
Pump2,800 RPM
Rated cooling250 W (manufacturer rating)
Noise30 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
Brontix CL-5639 Max Single tower Air CPU Cooler1,035$29Compare
Brontix CL-9068 Edge 240mm AIO Liquid CPU Cooler771$19Compare
Zephyra CL-5169 Ultra 360mm AIO Liquid CPU Cooler2,211$159Compare
Caldera CL-6870 Prime 240mm AIO Liquid CPU Cooler944$29Compare
Caldera CL-9885 Prime 240mm AIO Liquid CPU Cooler947$29Compare
Teralux CL-7758 Core 240mm AIO Liquid CPU Cooler598$19Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Zephyra CL-6840 Prime 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/6426531 (accessed 2026-10-19).