Hardware Spec Index

Caldera CL-3656 Prime 280mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL3656-PRIME · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index1,811 (CPU Coolers scale)
Category rank#40,479
Street price$109
Power13 W
Performance per dollar16.61
Released2021

Specifications

BrandCaldera
ModelCaldera CL-3656 Prime
TypeAll-in-one liquid cooler
Radiator280 mm, aluminum, 27 mm thick
Fans2× 140 mm, up to 2,500 RPM
Pump3,400 RPM
Rated cooling280 W (manufacturer rating)
Noise34 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-6659 Plus 360mm AIO Liquid CPU Cooler2,264$159Compare
Caldera CL-9643 Plus 240mm AIO Liquid CPU Cooler1,384$69Compare
Caldera CL-8618 Core 360mm AIO Liquid CPU Cooler1,261$59Compare
Teralux CL-3607 Edge Single tower Air CPU Cooler1,833$109Compare
Teralux CL-2643 Prime Dual tower Air CPU Cooler1,529$89Compare
Teralux CL-9853 Ti 420mm AIO Liquid CPU Cooler1,944$119Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-3656 Prime 280mm AIO Liquid CPU Cooler”, https://vextor7.com/item/99345414 (accessed 2026-10-26).