Hardware Spec Index

Caldera CL-1646 Pro 240mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL1646-PRO · Released 2025 · Updated 2026-10-22

Key facts

Benchmark index532 (CPU Coolers scale)
Category rank#17,257
Street price$19
Power12 W
Performance per dollar28.00
Released2025

Specifications

BrandCaldera
ModelCaldera CL-1646 Pro
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 27 mm thick
Fans2× 120 mm, up to 2,300 RPM
Pump2,900 RPM
Rated cooling250 W (manufacturer rating)
Noise25 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-2463 Ti Single tower Air CPU Cooler1,568$89Compare
Caldera CL-7992 Core Single tower Air CPU Cooler1,940$109Compare
Caldera CL-5228 Pro Dual tower Air CPU Cooler1,847$99Compare
Zephyra CL-3800 Ultra 280mm AIO Liquid CPU Cooler1,290$49Compare
Zephyra CL-4899 Plus Dual tower Air CPU Cooler2,091$159Compare
Caldera CL-5269 XT 240mm AIO Liquid CPU Cooler1,175$49Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-1646 Pro 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/43670636 (accessed 2026-10-22).