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

The fan has a wide voltage tolerance, running from 5V to 13V. It may not start below ~7V but will spin at 5V.

Do more blades mean better performance?

More blades increase static pressure (good for radiators) but are slightly louder. Fewer blades increase airflow (good for ventilation) with lower noise. 7-9 blades is a typical balance.

How do I know if the fan is dying?

Listen for clicking/grinding (bearing failure). Check RPM via software (far below spec is a red flag). Power off and flick the blade; wobble or stiffness indicates worn bearings.

Powerful Blower 17173mm - Trusted Performance Crafted in China

Name: Powerful Blower 17*17*3mm - Trusted Performance Crafted in China
Brand: Fengxia Motor (Shanghai) Co., Ltd.
SKU: 2130139192

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

Powerful Blower 17*17*3mm - Trusted Performance Crafted in China

US$4.00-4.30

1,000 Pieces

Sample price:US$2.50/piece.Request sample

Product profile

Customization

Available

Material

Aluminum Fan

Blade Material

PBT 94ulv

Model NO.

1703 DC Blower

Type

DC Blower Fan

Electric Current Type

Mounting

Free Standing

Certification

RoHS, ISO, CE

Transport Package

Paper Box

Specification

17*17*3mm

Origin

China

Production Capacity

100000 Pieces/Year

Key features

Customization Options: Supports full customization from samples, designs, or complete new creations.

Wide Voltage Tolerance: Operates effectively within a 5V to 13V voltage range for flexible power options.

Multiple Bearing Types: Available in sleeve, hydraulic, and double-ball bearings for varied lifespan needs.

Certified Quality: ISO9001 certified with RoHS, CE, and FCC compliance for international standards.

Diverse Product Range: Sizes from 15mm to 250mm including DC, AC, EC, and centrifugal blowers.

Professional Support: Comprehensive design capabilities and professional guidance for cooling solutions.

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: ≤3.02h

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?

Check for loose screws causing vibration, remove dust buildup, lower RPM via software, or consider bearing type (sleeve is quiet but wears out; double-ball lasts longer).

Q:Which direction should the fan face?

Follow arrows on the frame: intake (cool air in) for front/side, exhaust (hot air out) for rear/top. Tower coolers push air toward the rear exhaust.

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

3-pin uses DC voltage control for fixed/stepped speeds. 4-pin uses PWM for automatic, quieter, and more precise speed control. 4-pin fits 3-pin headers but runs at full speed.

Q:How long will the fan last based on bearing type?

Sleeve bearing lasts ~2-3 years. Hydraulic bearing lasts ~4-5 years. Double-ball bearing lasts 5-10 years and tolerates 24/7 operation.

Q:How can I make the fan quieter?

Use rubber pegs instead of screws, use a low-noise adapter resistor to drop voltage, or adjust BIOS fan curves to keep RPM low until temperature rises.