What causes the fan to be too loud?

Loose screws, dust buildup increasing air resistance, or bearing type (sleeve bearings wear out; double-ball is slightly louder but lasts longer).

How do I know if the fan is dying?

Listen for clicking/grinding, check if RPM is much lower than spec, or manually spin blades to check for wobble or stiffness.

Can I connect the fan to a power supply?

Yes, connecting to a PSU Molex runs it at 12V full speed (simple but noisy), while motherboard headers enable speed control.

90X90X38mm High Efficiency Low Vibration Axial Flow Fan for Electronic Equipment

Name: 90X90X38mm High Efficiency Low Vibration Axial Flow Fan for Electronic Equipment
Brand: Fengxia Motor (Shanghai) Co., Ltd.
SKU: 2155258182

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

US$2.20

500-4,999 Pieces

US$1.00

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.

FD9038

Type

DC Axial Flow 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 Efficiency & Low Noise: Features ultra-quiet operation and efficient heat dissipation for stable device performance.

Wide Voltage Tolerance: Operates reliably within a 5V-13V range, ensuring compatibility with various power sources.

Durable Bearing Options: Available in sleeve, hydraulic, and double-ball bearings with lifespans up to 10 years.

Multi-Scenario Adaptability: Suitable for notebooks, UAVs, VR headsets, and industrial equipment with compact design.

Certified Quality Standards: Meets ISO9001, FCC, CE, and RoHS standards for enhanced safety and reliability.

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

Full Customization Service: Offers OEM/ODM services with customization from samples, designs, or full specifications.

Robust Construction Materials: Constructed with PBT 94ulv blades and plastic-iron-copper-magnet components for 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: ≤2.95h

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.