Should I connect to motherboard or power supply?

Motherboard headers enable speed control (best for 4-pin PWM). PSU Molex runs at full 12V speed but is noisier.

Why does the fan spin at 5V if labeled 12V?

The fan has wide tolerance (5V-13V). It might not start below ~7V but can spin at lower voltages.

Do more blades mean better performance?

More blades increase static pressure but may be louder. Fewer blades offer higher airflow. 7-9 blades is typical.

How do I know if the fan is dying?

Listen for clicking/grinding, check RPM drops via software, or manually spin blades to check for wobble/stiffness.

15X15X4mm Compact Energy Saving DC Axial Flow Fan for Electronic Equipment

Name: 15X15X4mm Compact Energy Saving DC Axial Flow Fan for Electronic Equipment
Brand: Fengxia Motor (Shanghai) Co., Ltd.
SKU: 2157550012

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

US$3.50

500-4,999 Pieces

US$2.80

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.

FD1504

Type

DC Frameless Bracket 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

Compact Energy Saving Design: 15x15x4mm size with efficient heat dissipation for stable device operation.

Ultra-Quiet Operation: Features low-noise bearings and adjustable RPM for silent performance.

Wide Voltage Tolerance: Operates effectively within 5V to 13V range for versatile compatibility.

Multiple Bearing Options: Choose from Sleeve, Hydraulic, or Double-Ball bearings for durability.

Dual Pin Control Support: Supports 3-pin DC voltage and 4-pin PWM for precise speed control.

High Durability & Long Life: Double-ball bearings last 5-10 years; suitable for 24/7 usage.

RoHS, ISO, CE Certified: Meets international quality and safety standards for global markets.

Full Customization Available: OEM/ODM services with full customization from samples or designs.

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: ≤4.19h

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:What should I do if the fan is too loud?

Check mounting screws for looseness, remove dust buildup, lower RPM via BIOS, or consider switching to hydraulic bearings.

Q:How do I determine the correct fan direction?

Follow arrows on the frame: intake (cool air in) is usually front/side, exhaust (hot air out) is rear/top.

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

3-pin uses DC voltage control; 4-pin uses PWM for auto speed control. 4-pin on 3-pin header runs at full speed.

Q:How long will the fan last?

Sleeve: 2-3 years; Hydraulic: 4-5 years; Double-ball: 5-10 years, tolerant of 24/7 operation.

Q:How can I make the fan quieter?

Use rubber grommets, inline resistors to lower voltage, or adjust BIOS fan curves to keep RPM low until needed.

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