Should I connect the fan to the motherboard or PSU?

Connect to the motherboard header for speed control (best with 4-pin PWM). Connecting to PSU Molex runs it at 12V full speed (noisy). You can use a splitter but keep total current under 1A per header.

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

The motor has a wide tolerance (5V-13V). It may run at 5V but might not start below ~7V. It is designed to operate across this voltage range.

Do more blades mean better performance?

More blades increase static pressure but can be slightly louder. Fewer blades provide higher airflow with lower noise. A typical balance is 7-9 blades.

How do I know if the fan is dying?

Listen for clicking or grinding (bearing failure). Check RPM via software like HWMonitor; significantly lower RPM than spec indicates issues. Power off and flick the blade; wobble or stiffness signals worn bearings.

30X30X10mm 24db Low Noise Ultra-Thin DC Blower Fan for Vr Headset Cooling

Name: 30X30X10mm 24db Low Noise Ultra-Thin DC Blower Fan for Vr Headset Cooling
Brand: Fengxia Motor (Shanghai) Co., Ltd.
SKU: 2155005672

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

Ultra-Thin Low Noise Design: 30x30x10mm size with 24dB noise level, ideal for VR headsets and compact electronics.

High Durability Bearings: Double-ball bearings last 5-10 years; hydraulic bearings offer 4-5 years with quiet operation.

Wide Voltage Compatibility: Operates on 5V-13V with 3-pin DC or 4-pin PWM control for precise speed adjustment.

Professional Heat Dissipation: Efficient cooling for notebooks, projectors, UAVs, and medical devices to ensure stable operation.

Full Customization Service: OEM/ODM available with full customization from samples or designs to meet specific needs.

Strict Quality Certification: ISO9001, CE, RoHS, and FCC certified with 100% finished product inspection.

Versatile Application Scenarios: Suitable for daily, office, industrial, and entertainment scenarios including automotive and comms.

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: ≤4.25h

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 can be caused by loose screws (vibration), dust buildup, or bearing type. Fix by tightening mounts, cleaning dust, lowering RPM via BIOS, or choosing hydraulic bearings for a balance of quietness and durability.

Q:How do I determine the correct airflow direction?

Look for arrows on the frame. Front/side fans usually intake cool air, while rear/top fans exhaust hot air. Tower coolers should push air toward the rear exhaust.

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

3-pin uses DC voltage control for fixed/stepped speeds. 4-pin uses PWM for auto speed control, offering quieter and more precise operation. A 4-pin fan on a 3-pin header runs at full speed.

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 operation best.

Q:How can I make the fan quieter?

Use rubber grommets instead of screws to reduce vibration. Use a low-noise adapter or inline resistor to lower voltage. Adjust BIOS fan curves to keep RPM low until temperatures rise.