400mm Heatsink
Overview
Product sourcing insights & recommendations


I have completed a comprehensive analysis of the 400mm heatsink market and product landscape.
The research indicates that 400mm heatsinks are a specialized "Large-Scale" thermal solution, primarily serving high-power audio amplifiers, industrial power converters, and large-format 3D printers. Market trends show a significant shift toward advanced fin geometries (e.g., micro pin-fins) and generative designs to handle power loads exceeding 1000W.
The attached report provides detailed technical use cases, a comparative analysis of different heatsink sizes, and a list of high-capacity product recommendations from verified suppliers. For industrial applications, I've highlighted the growing trend of integrating wireless sensors for smart thermal monitoring and the increasing use of black anodized finishes for better radiant heat emissivity.
Here is the market report for 400mm heatsinks. You can further optimize your sourcing by:
400mm Heatsink Extruded Aluminum Copper Radiator Industrial Cooling
Products · Top picks & verified manufacturers

Manufacturer Customized Aluminum Extrusion Welding Heat Sink Radiator Aluminum Copper Heatsink
Dongguan Yuanyang Thermal Energy Technology Co., Ltd.verified🇨🇳CN7 yrs
Aluminum Fin Radiator
Hebei Bide Trade Co., Ltd.verified🇨🇳CN9 yrs
Custom Led Heat Sink Radiator Aluminum Manufacturer Anodized Extruded Aluminum Heatsink Heat Sink with Copper Heat Pipe
Qingdao Dmetal International Trade Co., Ltd.verified🇨🇳CN12 yrs
High Quality Precision Sandblasted Anodized Aluminum Heatsink Industrial Extrusion Profile Radiator with Color Anodize
Kunshan Hopeful Metal Products Co., Ltd.verified🇨🇳CN12 yrs
Copper Tube Heatpipe Aluminum Heatsink Fins Cooler Radiator Assembly for Large Lamp Cabinet LED Equipment Car Board
Dongguan Yanghai Industrial Co., Ltd.🇨🇳CN17 yrs
Customized Large Industrial Aluminum Alloy 6000 Series Heat Sink Radiators Extrusion CNC Machining Bending Welding
Foshan Litailong Metal Products Co., Ltd.🇨🇳CN6 yrs
Cob Heatsink Air Cooling Aluminum Material Radiator for High Power Led Light Cooling Heatsink 6063 Series T5 Model
Sihui Hongyuan Metal Products Co., Ltd.verified🇨🇳CN16 yrs
Microchannel Heat Exchanger Aluminum Extrusion Heatsink 400mm Extruded Flat Tube Heat Sink Radiator 400x400
Shenzhen HTX Technology Co., Ltd.🇨🇳CN7 yrs
400 mm 600mm custom heat sink radiator dissipatore di calore thermal processor cooling plate type heat exchanger for pcb
Dongguan Awind Electronic Technology Co., Ltd.verified🇨🇳CN13 yrs
User-Friendly Aluminum Water-Cooled Radiator with Tool-Free Copper Tube Replacement for Maintenance Ease
Hebei Yixuan Technology Co., Ltd.🇨🇳CN5 yrs
Aluminum Alloy Heatsink Radiator Square Tube LED Bending Anodized Welding Customizable Length
Suzhou Hengxinyu Aluminum Technology Co., Ltd.verified🇨🇳CN4 yrs
Aluminum Copper Heat Sink Machining Services Custom Water Cooling Aluminum Heat Pipe Radiators for Telecom Parts
Dongguan Huawang Hardware Products Co., Ltd.verified🇨🇳CN4 yrs
Copper Radiator Manufacturer Professional Excavator Cooling Radiators for Mining Fin & PC Coolant Manufacturing Free Shipping
Henan Tuofang Energy Saving Technology Co., Ltd.🇨🇳CN3 yrs
6000 Series Extruded Anodized Different Color Aluminium Heat Sink Radiator with Bending Cutting Welding Services From Suppliers
Shanghai Ruiyi Metal Co., Ltd.verified🇨🇳CN16 yrs
High Density Fin Heat Sink, Large Cooling Area Extruded Industrial Cooling Radiator
Dongguan Zhixin Metallic Products Co., Ltd.🇨🇳CN1 yr
Extrusion Cooling Radiator Aluminum Cooling Radiator Custom Black Anodized Aluminum Heat Sink Cooling Radiators for Electronic
Changzhou Haojun Technology Co., Ltd.🇨🇳CN7 yrs
Aluminum Heatsink Industrial Extrusion Profile Anodized Radiator 6000 Series Bending & Welding Services
Shandong RD New Material Co., Ltdverified🇨🇳CN5 yrs
Custom Anodized Surface Aluminium Extrusion Radiator High Power LED Cooling Heatsink Supplier China

Pure Copper Heatsink DIY Heat Sink Radiator Cooling Cooler CPU Chip MOS Medical IC Routing TEC Semiconductor Heat Dissipation
Huizhou Metals Precision Hardware Co., Ltd.verified🇨🇳CN3 yrs
Customized Aluminum Skived Fin Heatsinks Radiator
Nanjing Cooling Thermal Technology Co., Ltd.🇨🇳CN1 yr
LED Light Radiator Photography Light Fin Radiator Aluminum Multi Copper Tube Heatsink
Shenzhen Jindee Technology Co., Ltd.verified🇨🇳CN11 yrs
CPU Cooler Fan Radiator 360mm Aluminum Heatsink G1/4 Water Cooling for PC
Shanghai Venttech Refrigeration Equipment Co., Ltd.🇨🇳CN13 yrs
120mm 240mm 360mm High Pressure All Red Copper Heat Sinks G1/4 2-part Thread Medical Beauty Industrial Equipment Water Cooling
Maoming Xili Hardware Products Co., Ltd.🇨🇳CN1 yr
Custom Circular Extrusion Aluminum Heatsink Hollow Cylinder Fin Radiator for Stage Lighting & Laser Equipment

Radiator Condenser Copper Fin Brass Tube Heatsink Fan Water Cooling Radiator for Pc Computer

OCOCOO OC-CRD24 240mm Full Copper Radiator 45mm Thick G1/4 Thread 14-Channel High Density Fins PC Liquid Cooling Radiator
Shijiazhuang Yingbo Intelligent Technology Co., Ltd.verified🇨🇳CN3 yrs
High-power Air-cooled Radiator Profile Extruded Aluminum Tube Fin Heatsink with Axial Fan
Dongguan Renxin-Seiko Industry Co., Ltd.🇨🇳CN12 yrs
5PCS Heatsink Radiator 22x22x10MM High Quality Silver Slot Heat Sink
Shenzhen YTF Technology Co., Limited🇨🇳CN12 yrs
220x100x8mm Aluminum Heatsink Radiator for High Power LED Lights Panel COB Lamp Heatsinks
Shenzhen Cooleeon Electronics Co., Ltd.🇨🇳CN8 yrs
LS97075-6 High Power LED Heatsink 6Pcs 6mm Pure Copper Heat Pipes 400W Cooling Radiator for Stage Light
Dongguan Hongyi Hardware Electronic Technology Co., Ltd.verified🇨🇳CN6 yrsDeep Dive · Full Report
Full Market Report
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Sources & References
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