Hardware Spec Index

Caldera CL-1649 Ultra 240mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL1649-ULTRA · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index604 (CPU Coolers scale)
Category rank#37,564
Street price$19
Power12 W
Performance per dollar31.79
Released2025

Specifications

BrandCaldera
ModelCaldera CL-1649 Ultra
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 27 mm thick
Fans2× 120 mm, up to 1,800 RPM
Pump3,100 RPM
Rated cooling250 W (manufacturer rating)
Noise34 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
Teralux CL-3228 Prime Low profile Air CPU Cooler649$19Compare
Zephyra CL-1428 Ultra 280mm AIO Liquid CPU Cooler1,072$49Compare
Zephyra CL-2554 Max 240mm AIO Liquid CPU Cooler1,159$39Compare
Teralux CL-3653 Pro 240mm AIO Liquid CPU Cooler762$19Compare
Brontix CL-4289 Pro Low profile Air CPU Cooler1,270$49Compare
Teralux CL-4749 Prime 240mm AIO Liquid CPU Cooler1,012$39Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-1649 Ultra 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/411135 (accessed 2026-10-21).