Hardware Spec Index

Caldera CL-4654 Ultra 240mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL4654-ULTRA · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index739 (CPU Coolers scale)
Category rank#48,484
Street price$19
Power12 W
Performance per dollar38.89
Released2020

Specifications

BrandCaldera
ModelCaldera CL-4654 Ultra
TypeAll-in-one liquid cooler
Radiator240 mm, aluminum, 27 mm thick
Fans2× 120 mm, up to 2,000 RPM
Pump3,000 RPM
Rated cooling250 W (manufacturer rating)
Noise32 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM4, LGA1700, LGA1200, LGA115x
Warranty6 years

Related guides

AIO Liquid Cooling vs Air Cooling for CPUsCPU TDP, PPT and Turbo Power Explained

Similar CPU Coolers

ModelBenchmarkPriceCompare
Brontix CL-1705 Prime 420mm AIO Liquid CPU Cooler2,092$129Compare
Caldera CL-6486 Edge 280mm AIO Liquid CPU Cooler973$39Compare
Brontix CL-9332 Prime 360mm AIO Liquid CPU Cooler2,007$119Compare
Zephyra CL-2311 SE 280mm AIO Liquid CPU Cooler1,679$79Compare
Brontix CL-4547 Prime 360mm AIO Liquid CPU Cooler1,736$99Compare
Brontix CL-9963 Ultra Single tower Air CPU Cooler906$29Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-4654 Ultra 240mm AIO Liquid CPU Cooler”, https://vextor7.com/item/95968757 (accessed 2026-10-20).