Hardware Spec Index

Caldera CL-4928 Ultra 420mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL4928-ULTRA · Released 2024 · Updated 2026-10-21

Key facts

Benchmark index1,986 (CPU Coolers scale)
Category rank#30,654
Street price$139
Power17 W
Performance per dollar14.29
Released2024

Specifications

BrandCaldera
ModelCaldera CL-4928 Ultra
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 27 mm thick
Fans3× 140 mm, up to 2,200 RPM
Pump3,000 RPM
Rated cooling330 W (manufacturer rating)
Noise33 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty6 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
Caldera CL-6385 SE Dual tower Air CPU Cooler2,211$139Compare
Teralux CL-2552 Plus Dual tower Air CPU Cooler1,630$89Compare
Brontix CL-9234 Ti 360mm AIO Liquid CPU Cooler1,950$129Compare
Caldera CL-3870 SE 240mm AIO Liquid CPU Cooler1,029$39Compare
Caldera CL-3831 Max 360mm AIO Liquid CPU Cooler1,580$69Compare
Zephyra CL-1924 Max Single tower Air CPU Cooler954$29Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-4928 Ultra 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/2996953 (accessed 2026-10-21).