What should I do if the fan is too loud?

Check for loose screws causing vibration, remove dust buildup, lower RPM via software, or consider switching to hydraulic bearings for a quieter middle-ground.

How do I know if the fan is dying?

Listen for clicking or grinding noises, check if RPM is much lower than specified using monitoring software, or check if blades spin freely without wobble.

Can I connect the fan to a power supply instead of the motherboard?

Yes, connecting to a PSU Molex runs the fan at 12V full speed. It is simple but noisier. Ensure total current per header does not exceed 1A if using splitters.

75X75X25mm 5/12V Dual Voltage Industrial Grade DC Blower Fan for 3D Printer Cooling

Name: 75X75X25mm 5/12V Dual Voltage Industrial Grade DC Blower Fan for 3D Printer Cooling
Brand: Fengxia Motor (Shanghai) Co., Ltd.
SKU: 2153367942

Shanghai, ChinaFengxia Motor (Shanghai) Co., Ltd.

US$2.10

500-4,999 Pieces

US$1.20

5,000+ Pieces

Sample price:US$4.00/piece.Request sample

Product profile

Customization

Available

Material

Plastic-Iron-Copper-Magnet

Blade Material

PBT 94ulv

Model NO.

7525

Type

DC Blower Fan

Electric Current Type

Mounting

Free Standing

Certification

RoHS, ISO, CE

Insulation Resistance

10mωor Over with at DC250V Megger

Ielectric Withstand Voltage

AC500V1s

Ambient Temperature

-10℃~+70℃(Operating) -40℃~+70℃(Storage)

Expected Life

+40° ,30000 Hours

Transport Package

Paper Box

Specification

Customized

Trademark

FUNSHARE

Origin

China

Production Capacity

100000 Pieces/Year

Key features

Dual Voltage Support: Operates on 5V or 12V DC, suitable for various power supplies.

High Durability: Double-ball bearing lasts 5-10 years with 24/7 tolerance.

Ultra-Quiet Operation: Designed for low noise, ideal for 3D printers and VR headsets.

Full Customization: OEM/ODM services available with full customization options.

Global Certifications: RoHS, ISO, CE, and FCC certified for quality assurance.

Efficient Heat Dissipation: Ensures stable operation and extended device service life.

Compact Design: 75x75x25mm size fits notebooks, UAVs, and miniature devices.

Company profile

Importers and ExportersHigh Repeat Buyers Choice

Fengxia Motor (Shanghai) Co., Ltd.

Shanghai, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 5 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤4.38h

AI-Powered supplier vetting

SummaryThe supplier provides extensive customization options and has a strong research and development capability, including ODM services and new product development. However, they lack overseas warehouse and showroom capabilities, and do not have overseas agents or participate in trade shows. Their financial data is up-to-date and they hold an ISO9001:2015 certification. Despite having quality assurance processes, the manufacturing capacity seems limited with only two production lines and no ongoing volume reconciliation or outsourcing SOPs.

CertificationsHolds an ISO9001:2015 certificate, indicating compliance with quality management standards.

After-Sales capabilityHas clear procedures and records for handling customer complaints and implementing corrective actions.

Financial creditFinancial data is current, with information available up to the last three years, demonstrating financial stability.

R&D capabilityStrong R&D capabilities with evidence of new product development, though lacking in audit documentation.

Production capacityLimited production capability with only two production lines, and lacks ongoing volume reconciliation and outsourcing SOPs.

Customization capabilityOffers full customization services from samples and designs, with a comprehensive design service capability.

Client casesProvides OEM services for well-known brands, suggesting a history of working with reputable companies.

Product Q&A

Q:Why does the fan spin at 5V if the label says 12V?

The motor has a wide voltage tolerance, running from 5V to 13V. It may not start below approximately 7V.

Q:How can I make the fan quieter?

Use rubber grommets to reduce vibration, use a low-noise adapter to lower voltage, or adjust the BIOS fan curve to keep RPM low until temperatures rise.

Q:What is the difference between 3-pin and 4-pin fans?

3-pin fans use DC voltage control with fixed or stepped speeds. 4-pin fans use PWM for auto speed control, offering quieter and more precise operation.

Q:Which direction should the fan face?

Look for arrows on the frame. Generally, front/side fans are for intake (cool air in), and rear/top fans are for exhaust (hot air out).

Q:How long will the fan last?

Sleeve bearings last ~2-3 years, hydraulic bearings ~4-5 years, and double-ball bearings last 5-10 years with 24/7 tolerance.