

Within servers and data-center electronics, SUNON VF40281BX-Q747-SAH serves as a 40 × 40 × 28 mm DC axial fan operating at 12 VDC. 27000 rpm is the model's most distinctive operating parameter. Review its equipment fit during power-budget planning. Confirm control inputs against the complete ordering code.
| Rated Voltage(V) | 12 |
|---|---|
| Size(mm) | 40x40x28mm |
| Max.Air Flow(m³/h) | 53.5 |
| Max.Pressure(Pa) | 983.9 |
| Input Power(W) | 13.68 |
| Speed(rpm) | 27000 |
| Noise(db) | 63.7 |
SUNON VF40281BX-Q747-SAH supports industrial equipment with DC brushless axial fan airflow. It is intended for installations where predictable air exchange is central to equipment stability.
The 53.5 m3/h airflow rating indicates the available cooling-air volume before system losses. Fan-curve review is needed to confirm delivery inside the finished equipment. The brushless DC motor architecture supports efficient electronic commutation and stable rotational performance for compact equipment cooling.
Design approval for VF40281BX-Q747-SAH should cover cable routing together with maintenance planning before release. This creates a practical link between thermal validation, purchasing documentation and future servicing. Define cleaning and inspection intervals around the actual duty cycle.
Speed-control capability is not stated for this complete part number. Confirm the signal and controller requirements before use.
Compare its listed 13.68 W input with the required airflow and run time. Total savings depend on the complete system duty point.
The listed rating is 12 VDC. Verify polarity or mains frequency, wiring, and protection before commissioning.
The supplied product-line reference discusses long-life cooling, but continuous-duty limits for this full suffix must be verified from its datasheet and operating conditions.
Yes. The worksheet lists up to 983.9 Pa; compare it with the system curve.
The worksheet lists 13.68 W input. Check supply capacity and operating conditions before commissioning.

SUNON VF80864BX-Q023-S9H combines a 80 × 80 × 86 mm DC blower platform with a 54 VDC rating for servers and data-center electronics. The supplied data list 81.9 dB, an important acoustic selection parameter. Review its speed benchmark during system commissioning. Verify bearing and signal options in the exact datasheet.
Read More
For servers and data-center electronics, VF80801BX-Q031-S9H combines 12 VDC operation with a 80 × 80 × 80 mm DC blower design. The supplied data list 80 dB, an important acoustic selection parameter. The recorded rated dataset should guide technical purchasing. Request the exact performance curve for final engineering signoff.
Read More
Applied in servers and data-center electronics, SUNON VF80761BX-Q040-S9H is a 12 VDC DC blower in a 80 × 80 × 76 mm frame. The supplied data list 78.8 dB, an important acoustic selection parameter. Use the documented ventilation capacity when planning technical purchasing. Request the exact performance curve for final engineering signoff.
Read More
Within servers and data-center electronics, SUNON VF80561BX-Q11C-S9H serves as a 80 × 80 × 56 mm DC blower operating at 12 VDC. 3.57 Pa maximum pressure is the standout documented duty-point value. Use the documented supply requirement when planning technical purchasing. Request the exact performance curve for final engineering signoff.
Read More
For airflow duties across servers and data-center electronics, the VF80381BX-Q142-S9H provides a 12 VDC DC blower configuration measuring 80 × 80 × 38 mm. 5.88 Pa maximum pressure is the standout documented duty-point value. Base technical purchasing on the stated sound level. Request the exact performance curve for final engineering signoff.
Read More
The VF60381BX-Q093-S9H is SUNON's 12 VDC, 60 × 60 × 38 mm DC axial fan option for servers and data-center electronics. 4.84 Pa maximum pressure is the standout documented duty-point value. For application screening, start with the supplied cooling specification. Validate approvals and protection at complete-part-number level.
Read More