How can I make the fan quieter?

Use rubber grommets, install inline resistors to drop voltage, or adjust BIOS curves to keep RPM low until temperatures rise.

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

Most motors have a wide tolerance (5V-13V) but may not start below ~7V.

Do more blades mean better performance?

More blades increase static pressure (good for radiators) but may be louder. Fewer blades increase airflow (good for ventilation). 7-9 blades is typical.

How do I know if the fan is dying?

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

505015mm High Air Pressure Big Airflow Axial Flow Cooling DC Fan

Name: 50*50*15mm High Air Pressure Big Airflow Axial Flow Cooling DC Fan
Brand: Fengxia Motor (Shanghai) Co., Ltd.
SKU: 2234397235

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

50*50*15mm High Air Pressure Big Airflow Axial Flow Cooling DC Fan

US$2.50-3.00

1 Piece

Sample price:US$2.50/piece.Request sample

Product profile

Customization

Available

Material

Aluminum Fan

Blade Material

PBT 94ulv

Model NO.

5015 DC Fan

Type

Axial Fan

Electric Current Type

Mounting

Free Standing

Certification

RoHS, ISO, CE

Transport Package

Paper Box

Specification

50*50*15mm

Origin

China

Production Capacity

100000 Pieces/Year

Key features

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

Multiple Bearing Options: Choose from sleeve, hydraulic, or double-ball bearings for different lifespan and noise needs.

Customization Services: Offers full customization from samples or designs, including OEM and ODM services.

Multi-Industry Application: Widely used in automotive, medical, communication, and refrigeration systems.

International Certifications: Products certified with RoHS, CE, FCC, and ISO9001 quality assurance system.

High Airflow Design: 50x50x15mm axial fan designed for high air pressure and efficient cooling performance.

Quality Inspection: 100% visual and functional inspection for finished products to ensure stability.

Professional Support: Provides professional technical guidance and complete customization services.

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: ≤3.42h

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 should I do if the fan is too loud?

Check mounting screws for looseness, remove dust buildup, lower RPM via BIOS, or consider switching bearing types.

Q:Why won't the fan spin or does it start intermittently?

Check connector seating, verify fan-stop mode settings, or replace if sleeve bearings are worn out.

Q:Which direction should the fan face?

Follow arrows on the frame: intake for front/side, exhaust for rear/top. Push air toward rear exhaust for tower coolers.

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

3-pin uses DC voltage control; 4-pin uses PWM for automatic, precise, and quieter speed control. 4-pin fits 3-pin headers but runs at full speed.

Q:How long will the fan last?

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

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505015mm High Air Pressure Big Airflow Axial Flow Cooling DC Fan