Hardware Spec Index

Caldera CL-8646 SE 420mm AIO Liquid CPU Cooler

CPU Coolers · Caldera · SKU CL8646-SE · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index2,169 (CPU Coolers scale)
Category rank#44,518
Street price$139
Power17 W
Performance per dollar15.60
Released2025

Specifications

BrandCaldera
ModelCaldera CL-8646 SE
TypeAll-in-one liquid cooler
Radiator420 mm, aluminum, 30 mm thick
Fans3× 140 mm, up to 1,600 RPM
Pump2,800 RPM
Rated cooling330 W (manufacturer rating)
Noise33 dBA (max)
Tubing400 mm, sleeved EPDM
Socket supportAM5, AM4, LGA1851, LGA1700
Warranty5 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-5240 Ultra 360mm AIO Liquid CPU Cooler2,077$149Compare
Caldera CL-8681 SE Single tower Air CPU Cooler1,367$59Compare
Zephyra CL-3693 Prime Dual tower Air CPU Cooler1,574$79Compare
Zephyra CL-7274 Ultra Dual tower Air CPU Cooler1,254$59Compare
Caldera CL-1114 Max 360mm AIO Liquid CPU Cooler1,699$89Compare
Brontix CL-6223 Core Dual tower Air CPU Cooler2,480$179Compare

All CPU Coolers · JSON

Cite this page: Hardware Spec Index, “Caldera CL-8646 SE 420mm AIO Liquid CPU Cooler”, https://vextor7.com/item/13435180 (accessed 2026-10-25).