Hardware Spec Index

Zephyra CL-1687 Prime 420mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL1687-PRIME · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index1,757 (CPU Coolers scale)
Category rank#29,681
Street price$129
Power17 W
Performance per dollar13.62
Released2019

Specifications

BrandZephyra
ModelZephyra CL-1687 Prime
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 27 mm thick
Fans3× 140 mm, up to 2,200 RPM
Pump2,900 RPM
Rated cooling330 W (manufacturer rating)
Noise35 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty6 years

Related guides

AIO Liquid Cooling vs Air Cooling for CPUsCPU TDP, PPT and Turbo Power Explained

Similar CPU Coolers

ModelBenchmarkPriceCompare
Caldera CL-3651 Plus 360mm AIO Liquid CPU Cooler1,808$119Compare
Zephyra CL-1544 Ultra Single tower Air CPU Cooler541$19Compare
Zephyra CL-3868 XT Dual tower Air CPU Cooler2,272$179Compare
Caldera CL-7630 Max 360mm AIO Liquid CPU Cooler1,477$79Compare
Zephyra CL-3793 Ti Single tower Air CPU Cooler1,415$79Compare
Zephyra CL-8245 Core 240mm AIO Liquid CPU Cooler1,322$69Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Zephyra CL-1687 Prime 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/93482583 (accessed 2026-10-22).