What Fan Should Be Used for GPU Server Heat Exchangers? AVC 200×70mm Cooling Fan Series Selection Guide
Which Fans Are Used for Heat Exchange in GPU Servers? How Does the AVC 200×70mm Cooling Fan Series Meet High Airflow & High Static Pressure Requirements?
With the continuous development of AI servers, GPU servers, and high-power computing platforms, power density per cabinet has been rising steadily. Traditional server cooling has evolved from simple air cooling to an integrated thermal management solution combining air cooling, heat exchange systems, and precision air conditioning.
This raises the question:
What type of fan should be selected for the heat exchange system of GPU servers? And why are more and more devices adopting large-size, high-static-pressure 200×70mm fans?
This article focuses on the AVC 200×70mm DC axial cooling fan series and systematically analyzes the fan selection logic for application scenarios including GPU servers, heat exchangers, and industrial air conditioners.
Cooling Characteristics of GPU Server Heat Exchange Systems
Why Can’t Ordinary Fans Meet GPU Server Cooling Requirements?
The cooling system of a GPU server typically consists of:
-
GPU module heat sinks
-
Heat exchangers
-
Condensers
-
Evaporators
-
Air duct systems
-
Cabinet air conditioners
-
High-density power supply modules
A common feature of these components is extremely high air resistance.
Characteristics of GPU Server Cooling Systems
|
Cooling Component
|
Air Resistance
|
Fan Requirements
|
|
GPU heat sink fins
|
High
|
High static pressure
|
|
Heat exchanger
|
High
|
High static pressure + high airflow
|
|
Condenser
|
Medium
|
High airflow
|
|
Evaporator
|
High
|
High static pressure
|
|
Air duct
|
Medium
|
Stable airflow
|
|
Server cabinet
|
Medium
|
Long service life
|
Accordingly, cooling fans for GPU servers must feature:
-
High airflow
-
High static pressure
-
PWM speed control
-
Long service life
-
48V power supply
-
Speed feedback support
-
7×24-hour continuous operation
This is why the 200×70mm large axial fan has become the mainstream size for GPU server heat exchange systems.
Why Choose 200×70mm Cooling Fans?
Relationship Between Common Fan Sizes and Cooling Performance
|
Fan Size
|
Airflow Level
|
Static Pressure Level
|
Typical Application Scenarios
|
|
40mm
|
Low
|
High
|
Cooling for internal server modules
|
|
60mm
|
Low
|
High
|
Communications equipment, switches
|
|
80mm
|
Medium
|
Medium
|
Industrial control equipment
|
|
120mm
|
High
|
Medium
|
Industrial equipment cooling
|
|
172mm
|
Very High
|
High
|
Server cabinets
|
|
200×70mm
|
Ultra-High
|
High
|
GPU servers, heat exchangers, industrial air conditioners
|
The 200×70mm fan is designed for server heat exchange system-level applications.
Its advantages include:
-
High airflow
-
High static pressure
-
Relatively controllable noise
-
Suitable for heat exchangers
-
Suitable for air conditioning systems
-
Suitable for energy storage cooling
-
Suitable for power equipment cooling
Specifications of AVC 200×70mm DC Axial Cooling Fans
Product Specification Table
|
Part Number
|
Specifications
|
|
DBTB2070B8HY033
|
DC Axial 200×70, 48V/6A/230.4W, 5600RPM, 780.7CFM, 673.3Pa, 70.5dB, PWM/FG, 4 wires
|
|
DBTB2070B8HY041
|
DC Axial 200×70, 48V/6A/230.4W, 5600RPM, 780.7CFM, 673.3Pa, 70.5dB, PWM/FG, 4 wires
|
|
DBTB2070B8SY049
|
DC Axial 200×70, ball bearing, 48V/11A/528W, 7400RPM, 1044.7CFM, 1213.89Pa, 79.5dB, PWM/FG, 4 wires
|
|
DBTB2070B8SY013
|
DC Axial 200×70, ball bearing, 48V/12A/576W, 7400RPM, 1030CFM, 1053.76Pa, 79dB, PWM/FG, 4 wires
|
|
DATA2070B4H-008
|
DC Axial 200×70, 24V/1.53A/36.72W, 3400RPM, 392.6CFM, 276.8Pa, 55.5dB, FG, 3 wires
|
Key Parameter Definitions (Essential for Fan Selection)
Core Fan Parameter Explanation
|
Parameter
|
Meaning
|
Impact
|
|
CFM
|
Airflow Volume
|
Determines cooling capacity
|
|
Pa
|
Static Pressure
|
Determines heat sink penetration capability
|
|
RPM
|
Rotational Speed
|
Affects airflow and noise
|
|
dB
|
Noise Level
|
Impacts equipment operating environment
|
|
PWM
|
Speed Control
|
Enables intelligent temperature control
|
|
FG
|
Speed Feedback
|
Supports system monitoring
|
|
Ball Bearing
|
Bearing Type
|
Determines service life
|
Summary of Parameter Understanding
Airflow determines cooling capacity, while static pressure determines whether air can penetrate the heat sink.
Many engineers only focus on CFM during selection, which is incorrect.
For GPU server heat exchange systems,
static pressure (Pa) should be prioritized.
Application-Specific Fan Selection Recommendations
1. High-Power GPU Servers / Heat Exchangers
Recommended Models
|
Model
|
Airflow
|
Static Pressure
|
Features
|
|
DBTB2070B8SY049
|
1044.7CFM
|
1213Pa
|
Ultra-high airflow
|
|
DBTB2070B8SY013
|
1030CFM
|
1053Pa
|
High static pressure
|
Suitable For:
-
GPU servers
-
AI servers
-
Air-cooled sections of liquid-cooled radiators
-
Heat exchangers
-
Condensers
-
Evaporators
-
Energy storage cooling systems
2. Industrial Air Conditioners / Low-Noise Scenarios
Recommended Model
|
Model
|
Airflow
|
Static Pressure
|
Noise
|
|
DATA2070B4H-008
|
392.6CFM
|
276Pa
|
55.5dB
|
Suitable For:
-
Precision air conditioners
-
Communication cabinet air conditioners
-
Control cabinet cooling
-
Medical equipment
-
Laboratory equipment
3. General Industrial Cooling Equipment
Recommended Models
|
Model
|
Airflow
|
Static Pressure
|
Type
|
|
DBTB2070B8HY033
|
780.7CFM
|
673Pa
|
Balanced
|
|
DBTB2070B8HY041
|
780.7CFM
|
673Pa
|
Balanced
|
Suitable For:
-
Industrial control cabinets
-
Frequency converters
-
Power supply equipment
-
EV charging piles
-
Energy storage PCS
-
Industrial equipment cooling
Summary of GPU Server Heat Exchange Fan Selection Logic
Selection can be based on the following logic:
|
Application
|
Airflow Requirement
|
Static Pressure Requirement
|
Recommended Model
|
|
GPU Server
|
Very High
|
Very High
|
DBTB2070B8SY049
|
|
Heat Exchanger
|
Very High
|
Very High
|
DBTB2070B8SY013
|
|
Industrial Air Conditioner
|
Medium
|
Medium
|
DATA2070B4H-008
|
|
Industrial Equipment
|
Medium
|
Medium
|
DBTB2070B8HY033
|
|
Energy Storage System
|
High
|
High
|
DBTB2070B8SY049
|
Simple Selection Principles
Remember one rule:
-
Check airflow for cooling capacity
-
Check static pressure for penetration capability
-
Check bearing type for service life
-
Check PWM for intelligent control
Why Are 200×70mm Fans Widely Adopted in GPU Servers?
There are five main reasons:
|
Reason
|
Explanation
|
|
High Airflow
|
Delivers large air volume
|
|
High Static Pressure
|
Passes through heat exchangers smoothly
|
|
Long Service Life
|
Equipped with ball bearings
|
|
PWM Support
|
Enables intelligent temperature control
|
|
48V System
|
Complies with server power supply standards
|
Therefore, the 200×70mm fan has become the mainstream cooling fan size for GPU servers, heat exchangers, energy storage systems, and industrial air conditioners.
Conclusion: Which Fan for GPU Server Heat Exchange?
The answer is clear:
Industrial-grade axial fans with high airflow, high static pressure, PWM control, and long service life.
The AVC 200×70mm DC axial cooling fan series is specifically engineered for:
-
GPU servers
-
AI servers
-
Heat exchangers
-
Industrial air conditioners
-
Energy storage cooling
-
Power electronic equipment
-
Industrial control cabinets
-
Communication cabinets
In short, the 200×70mm fan has become one of the core fan sizes for thermal management systems in high-power equipment.
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