Hardware Spec Index

Zephyra CL-5988 Ultra 420mm AIO Liquid CPU Cooler

CPU Coolers · Zephyra · SKU CL5988-ULTRA · Released 2025 · Updated 2026-10-22

Key facts

Benchmark index2,337 (CPU Coolers scale)
Category rank#47,165
Street price$179
Power17 W
Performance per dollar13.06
Released2025

Specifications

BrandZephyra
ModelZephyra CL-5988 Ultra
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 30 mm thick
Fans3× 140 mm, up to 2,400 RPM
Pump2,900 RPM
Rated cooling330 W (manufacturer rating)
Noise27 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-3293 Edge Single tower Air CPU Cooler1,747$109Compare
Caldera CL-7221 Plus Dual tower Air CPU Cooler1,801$99Compare
Brontix CL-6647 Ultra Dual tower Air CPU Cooler2,253$149Compare
Zephyra CL-4862 Prime Dual tower Air CPU Cooler2,480$179Compare
Zephyra CL-9408 Prime 360mm AIO Liquid CPU Cooler1,892$109Compare
Zephyra CL-8382 Ultra Dual tower Air CPU Cooler1,465$79Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Zephyra CL-5988 Ultra 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/5532063 (accessed 2026-10-22).