Hardware Spec Index

Caldera CL-4955 Ultra 240mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL4955-ULTRA · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index560 (CPU Coolers scale)
Category rank#6,028
Street price$19
Power12 W
Performance per dollar29.47
Released2025

Specifications

BrandCaldera
ModelCaldera CL-4955 Ultra
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 30 mm thick
Fans2× 120 mm, up to 1,800 RPM
Pump3,400 RPM
Rated cooling250 W (manufacturer rating)
Noise30 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
Brontix CL-3590 Pro 420mm AIO Liquid CPU Cooler1,976$159Compare
Teralux CL-9190 Ultra Dual tower Air CPU Cooler1,972$149Compare
Zephyra CL-4586 Core 280mm AIO Liquid CPU Cooler1,258$59Compare
Zephyra CL-9938 Core 240mm AIO Liquid CPU Cooler989$39Compare
Teralux CL-7737 Plus Dual tower Air CPU Cooler2,462$189Compare
Brontix CL-3968 Pro 360mm AIO Liquid CPU Cooler2,032$149Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-4955 Ultra 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/4967719 (accessed 2026-10-23).