Best GDSTIME Case Fans: 2 Models Compared
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We compared 2 models to find the best GDSTIME case fans for your build. These fans range from slim 70mm units to thicker 80mm server variants, with options for 3-pin or 4-pin PWM connectors. The GDSTIME 70mm 3-Pin Cooling Fan 2-Pack leads because it fits specific 70mm CPU cooler slots while maintaining quiet operation. Our picks rely strictly on published specifications like size, weight, and connector type. This approach ensures you get accurate data for your specific cooling needs without guessing.
Quick picks
| # | Product | Best for | Price |
|---|---|---|---|
| 1 | GDSTIME 70mm 3-Pin Cooling Fan 2-Pack Best overall | 70mm CPU cooler replacements | Check price of GDSTIME 70mm 3-Pin Cooling Fan 2-Pack on Amazon |
| 2 | GDSTIME 80mm High Static Pressure Server Fan Best budget | high airflow in server chassis | Check price of GDSTIME 80mm High Static Pressure Server Fan on Amazon |
Our 2 picks
GDSTIME 70mm 3-Pin Cooling Fan 2-Pack
Best for: 70mm CPU cooler replacements
- Fan Size
- 70mm
- Max Fan Speed
- 2500 RPM
- Max Airflow
- 18.7CFM
- Noise Level
- 25.8dBA
- Connector Type
- 3-Pin
- Bearing Type
- Sleeve Bearing
View on Amazon: GDSTIME 70mm 3-Pin Cooling Fan 2-Pack Affiliate link
This GDSTIME 70mm fan is a 2-pack of 12V DC brushless cooling units designed for CPU coolers. It delivers 18.7 CFM of airflow at 2500 RPM, with a noise level of 25.8 dBA. The 3-pin connector fits standard headers. It uses a sleeve bearing rated for 35,000 hours. This compact 70x15mm size suits tight spaces or specific server and case applications where precise dimensions are required.
Pros
- 18.7 CFM airflow for effective cooling
- Low 25.8 dBA noise level
- Sleeve bearing rated for 35,000 hours
- Includes a 2-pack for multiple mounts
Cons
- 3-pin connector lacks PWM speed control
- 70mm size is smaller than standard 80mm or 120mm fans
- Sleeve bearing may have shorter lifespan than fluid dynamic bearings
Good fit if
- You need a 70mm replacement fan for a specific CPU cooler
- You require a low-noise solution for sensitive audio environments
- You are building a compact system with limited space
Skip if
- You need PWM fan speed control via motherboard
- You require a standard 80mm or larger fan size
- You want a fan with a ball bearing for heavy duty use
Verdict: GDSTIME 70mm 12V CPU Fan 2-Pack offers reliable airflow for specific 70mm slots. It fits users needing exact dimensions and quiet operation, though the 3-pin connector limits advanced speed control.
GDSTIME 80mm High Static Pressure Server Fan
Best for: high airflow in server chassis
- Fan Size
- 80mm
- Max Fan Speed
- 5800 RPM
- Max Airflow
- 78.9 CFM
- Static Pressure
- 0.77 In H2O
- Noise Level
- 51 dBA
- Connector Type
- 4-pin PWM
View on Amazon: GDSTIME 80mm High Static Pressure Server Fan Affiliate link
This is an 80x38mm server fan with a 4-pin PWM connector. It runs at 5800 RPM, moving 78.9 CFM of air with 0.77 In H2O static pressure. The dual-ball bearings offer a 50,000-hour lifespan. You get a metal grill for protection. It suits 4U chassis or GPU heatsinks where high airflow matters more than quiet operation.
Pros
- 4-pin PWM interface for speed control
- Dual-ball bearings rated to 50,000 hours
- Includes metal fan grill
- High static pressure of 0.77 In H2O
Cons
- Noise level reaches 51dBA
- 38mm thickness is bulkier than standard cases
- Not suitable for quiet home builds
Good fit if
- You need high static pressure for dense heatsinks
- You are building a 4U server chassis
- You require a 4-pin PWM connection
Skip if
- You prioritize silent operation over airflow
- You need a slim 15mm or 25mm profile
- You are using a standard desktop case
Verdict: GDSTIME 80mm 38mm Server Fan delivers strong airflow for server or GPU applications. You should buy it if you need 4-pin PWM control and can tolerate higher noise levels.
Specifications side by side
| Spec | GDSTIME 70mm 3-Pin Cooling Fan 2-Pack | GDSTIME 80mm High Static Pressure Server Fan |
|---|---|---|
| Fan Size | 70mm | 80mm |
| Max Fan Speed | 2500 RPM | 5800 RPM |
| Max Airflow | 18.7CFM | 78.9 CFM |
| Static Pressure | not stated | 0.77 In H2O |
| Noise Level | 25.8dBA | 51 dBA |
| Connector Type | 3-Pin | 4-pin PWM |
| Bearing Type | Sleeve Bearing | Dual Ball |
| Use | not stated | Server |
| Compatible Device | CPU Cooler | not stated |
| Dimensions | 2.76 × 2.76 × 0.59 inches | 3.15 × 3.15 × 1.5 inches |
| Weight | 1.29 ounces | 5.2 ounces |
| Size | 70x15mm | 80x38mm |
| Model | GDT7015S12V3P | GDT8038B12V4P |
| Color | not stated | 8038 PWM FAN |
GDSTIME Fan Lineup Overview
The GDSTIME 70mm 3-Pin Cooling Fan 2-Pack targets users needing exact 70mm dimensions for CPU cooler replacements. This slim unit prioritizes quiet operation, though its 3-pin connector limits advanced speed control options. It suits builders requiring specific spatial constraints without complex PWM integration.
For high airflow needs, the GDSTIME 80mm High Static Pressure Server Fan serves server chassis or GPU applications. This thicker 38mm model offers 4-pin PWM control for precise adjustments. You should choose this variant if you can tolerate higher noise levels in exchange for robust performance in demanding environments.
Who GDSTIME Fans Suit
GDSTIME’s current lineup spans from slim 70mm units to thicker 80mm server fans. You have two main paths: the 70mm model for quiet CPU cooler replacements, or the 80mm variant for high static pressure in server chassis. Both are functional and utilitarian. You get 3-pin or 4-pin PWM control depending on the size. There are no RGB options or magnetic levitation bearings here. The range also lacks larger 120mm or 140mm case fans. If you need standard case airflow, this brand does not fit. It is strictly for specific, smaller slots.
How to choose the right one
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Check connector compatibility
Match the fan connector to your motherboard headers. The GDSTIME 70mm model uses a 3-pin connector, which allows basic speed control via voltage adjustment. This limits advanced PWM management. If you need precise digital control, look for 4-pin PWM fans. The GDSTIME 80mm server fan features a 4-pin connector. This allows your motherboard to regulate RPM dynamically. Verify your header type before buying to ensure proper integration and speed regulation.
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Measure slot dimensions
Exact physical size is critical for fit. The 70mm fan measures 70x15mm, making it suitable for tight CPU cooler slots. The 80mm fan is thicker at 80x38mm. This extra depth aids server airflow but may not fit standard case mounts. Measure your available space in inches or millimeters. Ensure the height and width match your chassis or cooler specifications. Incorrect dimensions prevent installation or cause airflow blockages. Precision matters for slim units.
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Identify your use case
Define where the fan will operate. The 70mm unit is designed for CPU cooler replacements, prioritizing quiet operation in confined spaces. The 80mm variant targets server chassis and GPU applications requiring high static pressure. High static pressure pushes air through dense filters or radiators. If you are building a server or need strong airflow through restrictions, choose the thicker 80mm model. For standard quiet PC builds, the slim 70mm option is more appropriate.
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Consider weight and build
Fan weight indicates material density and motor strength. The 70mm fan weighs 1.29 ounces, suggesting a lighter, simpler construction. The 80mm server fan weighs 5.2 ounces. Heavier fans often use more robust materials for durability in high-stress environments. Check the weight to gauge build quality. Heavier units may vibrate less but require stronger mounting points. Ensure your case or cooler can support the fan's mass without sagging or loosening over time.
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Verify voltage requirements
Ensure your power supply provides the correct voltage. Both GDSTIME fans operate at 12V. This is standard for PC components. Verify your motherboard or power connector delivers stable 12V power. Incorrect voltage can damage the fan motor or reduce lifespan. The 3-pin fan relies on voltage for speed, while the 4-pin uses PWM signals. Confirm your system supports 12V delivery to the specific header. Stable power ensures consistent performance and longevity for your cooling solution.
Frequently asked questions
Are GDSTIME case fans quiet?
The 70mm model is designed for quiet operation, making it suitable for CPU cooler replacements where noise matters. The 80mm server fan delivers strong airflow but may produce higher noise levels due to its high static pressure design. You should expect quieter performance from the 70mm unit if low noise is your priority.
Do GDSTIME fans support PWM?
Only the 80mm model supports 4-pin PWM control for precise digital speed management. The 70mm fan uses a 3-pin connector, which limits you to basic voltage-based speed adjustments. If you need advanced PWM features from your motherboard, the 80mm server fan is the correct choice for your build.
What sizes are available from GDSTIME?
GDSTIME currently offers two specific sizes: 70mm and 80mm. The 70mm fan measures 70x15mm and is ideal for tight CPU cooler slots. The 80mm variant measures 80x38mm and is thicker, designed for server chassis or GPU applications where higher static pressure is required for effective cooling performance.
Can I use GDSTIME fans for CPU cooling?
Yes, the 70mm 3-Pin Cooling Fan 2-Pack is explicitly listed as compatible with CPU coolers. Its slim 15mm thickness allows it to fit specific 70mm slots. The 80mm fan is better suited for server chassis or GPU use, so the 70mm model is the practical option for direct CPU cooling replacements.
How thick are GDSTIME case fans?
Thickness varies by model. The 70mm fan is slim at 15mm thick, providing 2.76 inches of width. The 80mm server fan is significantly thicker at 38mm, offering 1.5 inches of height. You should check your chassis clearance to ensure the fan fits within your available space constraints.
Which GDSTIME fan is best for servers?
The 80mm High Static Pressure Server Fan is the top choice for server environments. It delivers strong airflow and includes 4-pin PWM control for better management. While the 70mm model is quiet, the 80mm variant is specifically engineered for the high static pressure needs typical of server chassis and GPU applications.
Do GDSTIME fans come in packs?
The 70mm model is sold as a 2-Pack, providing two units for your cooling needs. The 80mm server fan is listed individually. You should verify the package contents based on the specific product listing, as the 70mm option offers multiple fans while the 80mm is a single unit purchase.

