Hardware Spec Index

Caldera CL-6941 Ultra 420mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL6941-ULTRA · Released 2025 · Updated 2026-10-22

Key facts

Benchmark index2,155 (CPU Coolers scale)
Category rank#31,372
Street price$149
Power17 W
Performance per dollar14.46
Released2025

Specifications

BrandCaldera
ModelCaldera CL-6941 Ultra
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 38 mm thick
Fans3× 140 mm, up to 1,800 RPM
Pump3,200 RPM
Rated cooling330 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
Caldera CL-1580 Max 360mm AIO Liquid CPU Cooler1,491$69Compare
Zephyra CL-3697 Core Single tower Air CPU Cooler1,421$69Compare
Caldera CL-7327 Max Dual tower Air CPU Cooler2,209$159Compare
Caldera CL-6003 Pro 240mm AIO Liquid CPU Cooler788$19Compare
Zephyra CL-7504 Edge 280mm AIO Liquid CPU Cooler1,459$69Compare
Zephyra CL-3848 SE Dual tower Air CPU Cooler1,888$109Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-6941 Ultra 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/6489775 (accessed 2026-10-22).