Delivery time after payment?

Stock orders: 12 days. Sourced orders: 37 days (see quote).

Tape/reel/tray + antistatic vacuum bag + desiccant. PCBA: ESD foam + strong carton. Labels: fragile, up, keep dry.

Domestic: SF Express, Deppon (or your choice). International: DHL, FedEx, UPS, air/sea freight.

Tracking number provided after dispatch. Check via carrier website or contact us.

What if I find defects?

Contact us within 7 working days with photos/videos and defect rate. If confirmed faulty, we cover return & replacement.

Wrong parts/quantity?

Keep original packing & label, contact us within 3 days. We will resend correctly at our cost.

Cm4 Base Io Expansion Board for Raspberry Pi

Name: Cm4 Base Io Expansion Board for Raspberry Pi
Brand: Shenzhen Donghan System Technology Co., Ltd.
SKU: 2309820305

Guangdong, ChinaShenzhen Donghan System Technology Co., Ltd.

US$27.67

1 Piece

Product profile

Customization

Available

Metal Coating

Electroless Nickel Immersion (Enig)

Mode of Production

SMT

Model NO.

CM4-IO-BASE Board

Layers

2 Laye

Base Material

Fr-4 Flame Retardant

Certification

RoHS, CCC, CE, Reach

Customized

Standard Ready Stock

Condition

Brand New Original

Material

High-Grade Fr-4 PCB + Network Transformer + Elect

Adhesive

No Extra Adhesive

Applicable Model

for Raspberry Pi Compute Module 4 (Cm4) All Versio

Feature

Gigabit Ethernet, HDMI Output, 40pin Gpio Header

Interface Type

40pin Gpio Header, Gigabit Ethernet, HDMI, Csi Cam

Application

Cm4 Evaluation, Embedded Development, Industrial C

Compatible Mod

Compatible with All Raspberry Pi Compute Module 4

Supported Voltage

5V DC Via USB-C Port

Transport Package

Anti-Static Bag + Neutral Brown Carton

Specification

CM4 Base IO Expansion Board for Raspberry Pi Compu

Trademark

Generic

Origin

China

Key features

100% Original Components: All parts sourced from original or authorized channels with trace codes available.

PCBA One-Stop Solution: Full-process services from BOM kitting to SMT assembly, DIP insertion, and testing.

Comprehensive Quality Control: Includes incoming inspection, AOI, X-Ray, and functional testing for high yield.

Fast Response Time: Professional team provides quick responses to quotes, samples, and technical inquiries.

Competitive Pricing: Reduced procurement costs through volume sourcing and efficient operations.

Stable Supply Chain: Long-term cooperation with manufacturers ensures sufficient inventory and controllable lead times.

Professional Packaging: ESD protection, moisture control, and ISTA 3A validated shipping methods.

Global Shipping Options: Support for air, sea, and express freight via DHL, FedEx, UPS, and domestic carriers.

Company profile

High Repeat Buyers ChoiceExperienced TeamQuality AssuranceIn-stock Capacity

Shenzhen Donghan System Technology Co., Ltd.

Guangdong, China

Business Type: Trading CompanyExport Year: 2008-04-01Nearest Port: SHENZHENAverage Response Time: ≤2.23hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): EXW, FOB, Others, FCA, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT

About Our Factory & Business Background

AddressNo. 2505A-2505B, 25th Floor, Hangdu Building, No. 1006, Hua Fu Road, Hua Hang Community, Hua Qiangbei Street, Futian District, Shenzhen City

Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays

Our Production Capability & Technical Expertise

Main ProductsElectronic Components, Integrated Circuits, Microcontrollers, Diodes, Transistors, Capacitors, Resistors, PCBA, IC, PCB

Our Industry Experience & Global Business Record

Main MarketsNorth America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

Product Q&A

Q:What components do you supply?

ICs, diodes, transistors, SMD caps/resistors, inductors, and PCBA one-stop service.

Q:Are parts 100% original?

Yes. All from original or authorized channels. Test reports & trace codes available.

Q:Can I get samples?

Free samples for common types (freight collect). Special types may need sample fee, deductible from bulk order.

Q:How to place an order?

Send BOM by email/WeChat. We quote, confirm, and sign a sales contract.

Q:Payment methods?

Bank transfer, WeChat/Alipay (small amounts), PayPal (international). Monthly payment for longterm partners.

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