説明
Heat is the quiet enemy of every circuit board, every driver, every power stage that earns its keep in silence. The Airstream Sentinel exists for the engineers and makers who refuse to let a few wasted degrees shorten the life of a design. This 40mm axial fan moves air with the discipline of a machine built for exactly one job: keeping electronics cool enough to work, long enough to matter.
At its heart sits a brushless DC motor offered in 5V, 12V, and 24V ratings, so it drops into everything from USB-powered prototypes to 24V industrial enclosures. Choose between dual ball bearings for extended duty cycles and sleeve bearings for near-silent operation. The 4010 frame (40 x 40 x 10mm) fits standard mounting patterns with 32mm hole spacing, and the XH2.54, PH2.0, Dupont, and 2510 connector options mean no adapter hunting when you wire it into your build.
With an operating life rated between 35,000 and 50,000 hours at 25 degrees Celsius, this is not a consumable component. It is a structural decision. Buy in 2, 5, or 10-piece packs to standardize every cooling point across your project, and keep a spare on the shelf for the next prototype.
This is not a fan. It is a lifetime insurance policy, spun at 4,000 RPM.
Key Features
- ✦ 40 x 40 x 10mm (4010) standard axial fan frame, 14g per unit
- ✦ Brushless DC motor in 5V, 12V, and 24V voltage options
- ✦ Dual ball bearing or sleeve bearing variants for duty or silence
- ✦ XH2.54, PH2.0, Dupont, and 2510 connector compatibility
- ✦ 2-pin and 3-pin wiring configurations for simple integration
- ✦ Rated life of 35,000 to 50,000 hours at 25 degrees Celsius
- ✦ Wire lengths around 15 to 20cm for flexible placement
Technical Specifications
- Model: GDSTIME GDA4010 Axial Fan
- Dimensions: 40 x 40 x 10mm (1.57 x 1.57 x 0.39 in)
- Mounting Hole Distance: 32.0 +/- 0.3mm
- Rated Voltage: DC 5V / 12V / 24V (select per variant)
- Bearing Type: Sleeve or Dual Ball (select per variant)
- Connector Options: XH2.54-2Pin, PH2.0-2Pin, Dupont, 2510-2Pin, 3Pin
- Life Expectancy: 35,000 / 50,000 hours at 25 degrees Celsius
- Wire Length: approx. 15cm / 20cm
- Net Weight: 14g per piece
- Pack Options: 2 pieces, 5 pieces, or 10 pieces per order
Application Scenarios
The Airstream Sentinel earns its place wherever heat accumulates: cooling CPU and GPU heatsinks in custom PC builds, ventilating 3D printer electronics bays and hotend assemblies, extracting warm air from small network cabinets and NAS enclosures, and keeping LED drivers, CNC control boxes, and audio amplifier stages within safe operating ranges. Its 40mm footprint is the standard size for electronics enclosures, so it slots into existing cutouts and mounting holes without modification.
Frequently Asked Questions
Q: Which voltage should I choose?
A: Match the fan voltage to your power rail. 5V variants suit USB-powered projects and single-cell boards, 12V is the standard for PC and general electronics, and 24V fits industrial equipment and DIN-rail enclosures.
Q: What is the difference between sleeve and ball bearings?
A: Dual ball bearings deliver longer service life and higher reliability under continuous load, while sleeve bearings run quieter and cost less. For always-on equipment, the ball bearing option is the safer choice.
Q: Will this fan fit my existing 40mm mounting holes?
A: Yes. The mounting hole distance is 32.0mm on center, the standard 40mm fan pattern, and the frame is 10mm thick for standard 4010 cutouts.
Q: Is the connector included?
A: Each fan ships with its listed connector type (XH2.54, PH2.0, Dupont, or 2510) so you can plug straight into the matching header.
Q: How loud is the fan in normal operation?
A: The 4010 frame is designed for low noise, particularly in the sleeve bearing variants. Actual sound output depends on the voltage applied and the airflow path in your enclosure.
Q: Can I control the fan speed?
A: Yes, within the limits of your power source. Lowering the supply voltage or using a PWM controller on the 3-pin variants reduces RPM, letting you balance airflow against noise.
Q: Is the fan suitable for continuous 24/7 operation?
A: The dual ball bearing variants are rated for 50,000 hours of service at 25 degrees Celsius, making them a dependable choice for always-on equipment such as network storage, servers, and laboratory instruments.
The EastSupplier Promise
- Sourced for reliability: every unit is inspected before dispatch, so what arrives matches what we promised.
- Real inventory, real stock: our catalog reflects live warehouse counts, with same-week dispatch on in-stock lines.
- Responsive support: a dedicated team answers fitment, specification, and order questions within one business day.
- Protected purchase: 30-day returns on unused items and a clear resolution path on every order.









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