Should I connect the fan to the motherboard or PSU?

Motherboard headers enable speed control (best for 4-pin PWM). PSU Molex runs at full 12V speed. Keep total current per header under 1A.

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

The motor has a wide tolerance (5V-13V). It may not start below ~7V but can spin at lower voltages within its operating range.

Do more blades mean better performance?

More blades increase static pressure but may be louder. Fewer blades increase airflow and reduce noise. 7-9 blades is a typical balance.

How do I know if the fan is dying?

Listen for clicking/grinding. Check RPM via software; significantly lower RPM indicates issues. Power off and check if blades spin freely without wobble.

30X30X10mm 8500rpm High Speed Brushless DC Blower Fan for Notebook Cooling

Name: 30X30X10mm 8500rpm High Speed Brushless DC Blower Fan for Notebook Cooling
Brand: Fengxia Motor (Shanghai) Co., Ltd.
SKU: 2151616462

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

US$2.20

500-4,999 Pieces

US$1.50

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.

3010

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

High-Speed Brushless Design: 8500rpm brushless DC blower fan for efficient notebook cooling and heat dissipation.

Wide Application Scope: Suitable for notebooks, projectors, UAVs, VR headsets, and various industrial scenarios.

Multi-Bearing Options: Available in sleeve, hydraulic, and double-ball bearings for different noise and lifespan needs.

Flexible Pin Control: Supports 3-pin DC voltage control and 4-pin PWM for precise, quiet speed adjustment.

Certified Quality: ISO9001, FCC, CE, and RoHS certified ensuring safety and reliability for global markets.

Full Customization: Offers full customization from samples or designs with expert R&D guidance.

Wide Voltage Tolerance: Operates effectively within 5V-13V range, providing flexibility in power connections.

Durable Construction: Made with PBT 94ulv blades and plastic-iron-copper-magnet materials for high durability.

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: ≤3.38h

AI-Powered supplier vetting

SummaryThe supplier demonstrates strong customization, R&D, OEM/ODM, quality-control, and complaint-handling capabilities. It reports new products within the past year, provides customization from samples and designs through full customization, and serves known brands through OEM. Production includes two lines, inventory capability, defined inspection procedures, and four QA/QC inspectors. However, important operational limitations exist: no available SDK, no overseas agents, branches, warehouse, or showroom, no offline trade-show participation, and only one experienced export-trade employee. Manufacturing controls also show gaps, including no ongoing quantity reconciliation for each batch and no standard operating procedure for outsourced manufacturing. Financial evidence is represented only by years rather than substantive indicators, so credibility cannot be determined. The supplier holds an ISO9001:2015 certificate, but the available information does not establish broader certification coverage.

Supplier typeThe supplier operates as a manufacturer with two production lines, provides OEM and ODM services, offers inventory capability, and accepts FOB and EXW quotations. It also provides full customization, but lacks overseas agents, branches, warehouses, and showrooms.

CertificationsThe supplier reports an ISO9001:2015 certificate. No additional specific certifications are identified in the provided information.

After-Sales capabilityThe supplier has documented and followed procedures for customer complaints and corrective/preventive actions, supporting an established service-response process. However, it has no overseas agents, branches, warehouse, or showroom, which limits demonstrated overseas service infrastructure.

R&D capabilityThe supplier reports new products in the past year, provides ODM services, and assigns R&D personnel to product development, design drawings, production support, and specifications. Nevertheless, it has no available SDK and no design input, output, review, validation, or confirmation documents available for audit.

Production capacityProduction evidence includes two production lines, inventory capability, one-month average lead times in both peak and off-season periods, four QA/QC inspectors, written finished-product inspection instructions, and multiple listed production machines. Controls are weakened by the absence of ongoing batch quantity reconciliation and a standard operating procedure for outsourced manufacturing.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, and full customization, with the same capability reported under both R&D and design services. This directly demonstrates broad customization coverage.

Product Q&A

Q:What causes fan noise and how to fix it?

Noise may result from loose screws, dust buildup, or bearing type. Check mounting, clean dust, or consider hydraulic bearings for a quieter operation.

Q:How do I determine the correct fan direction?

Look for arrows on the frame. Front/side is usually intake (cool air in), and rear/top is exhaust (hot air out). Tower coolers push air toward rear exhaust.

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

3-pin uses DC voltage control for fixed speeds. 4-pin uses PWM for auto speed control, offering quieter and more precise operation.

Q:How long does the fan last?

Sleeve bearings last ~2-3 years. Hydraulic bearings last ~4-5 years. Double-ball bearings last 5-10 years and tolerate 24/7 use.

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 temperatures rise.