How can I make the fan quieter?

Use rubber grommets, lower voltage with an adapter, or adjust the BIOS fan curve to keep RPM low.

Should I connect the fan to the motherboard or power supply?

Connect to the motherboard header for speed control (best with 4-pin PWM) or PSU Molex for full speed (simple but noisy).

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

Motors have wide tolerance (5V-13V) but might not start below approximately 7V.

Do more blades mean better performance?

More blades increase static pressure but are slightly louder; fewer blades increase airflow and reduce noise.

How do I know if the fan is dying?

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

20×20×6mm Ultra-Thin Hydro Wave Bearing DC Blower Fan for Vr Headset

Name: 20×20×6mm Ultra-Thin Hydro Wave Bearing DC Blower Fan for Vr Headset
Brand: Fengxia Motor (Shanghai) Co., Ltd.
SKU: 2154941532

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

US$2.30

500-4,999 Pieces

US$1.95

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.

2006

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

Ultra-Thin Design: Compact 20x20x6mm size tailored for VR headsets and miniature electronics.

High Durability: PBT 94ulv blade material ensures long service life and heat resistance.

Full Customization: Available for full customization, design-based, and sample-based modifications.

Multi-Industry Use: Suitable for VR headsets, UAVs, notebooks, and medical equipment.

Quality Certification: ISO9001, FCC, CE, and RoHS certified for global compliance.

Efficient Cooling: Professional heat dissipation ensures stable device operation.

Fast Delivery: Competitive pricing with fast delivery and one-month lead time.

100% Inspection: All finished products undergo visual and functional inspection.

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: ≤3.82h

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 for loose screws, remove dust buildup, lower RPM via BIOS, or consider changing the bearing type.

Q:Why won't the fan spin or starts/stops intermittently?

Check if the connector is fully seated, verify fan-stop mode settings, or consider replacing the fan if the bearing oil is dry.

Q:Which direction should the fan face?

Look for arrows on the frame: front/side is usually intake, rear/top is exhaust, and tower coolers push air toward the rear.

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

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

Q:How long will the fan last?

Sleeve bearings last 2-3 years, hydraulic bearings 4-5 years, and double-ball bearings 5-10 years.

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