Hardware Spec Index

Zephyra CL-5644 Ultra Single tower Air CPU Cooler

CPU Coolers · Zephyra · SKU CL5644-ULTRA · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index1,020 (CPU Coolers scale)
Category rank#40,181
Street price$29
Power3 W
Performance per dollar35.17
Released2023

Specifications

BrandZephyra
ModelZephyra CL-5644 Ultra
TypeSingle tower air cooler
Heat pipes6× 6 mm copper
Height158 mm
Fans1× 120 mm PWM, up to 1,700 RPM
Rated cooling220 W (manufacturer rating)
Noise32 dBA (max)
RAM clearanceUnrestricted
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 years

Related guides

AIO Liquid Cooling vs Air Cooling for CPUsCPU TDP, PPT and Turbo Power ExplainedAMD AM5 Socket

Similar CPU Coolers

ModelBenchmarkPriceCompare
Zephyra CL-7520 Ultra 420mm AIO Liquid CPU Cooler2,288$179Compare
Caldera CL-6569 Max Single tower Air CPU Cooler1,140$39Compare
Zephyra CL-1866 Pro Dual tower Air CPU Cooler2,330$179Compare
Teralux CL-4387 XT Single tower Air CPU Cooler1,944$119Compare
Brontix CL-7627 Pro 240mm AIO Liquid CPU Cooler1,095$39Compare
Teralux CL-5072 Pro Dual tower Air CPU Cooler2,463$199Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Zephyra CL-5644 Ultra Single tower Air CPU Cooler”, https://vextor7.com/item/630400 (accessed 2026-10-21).