【Hot Sale】Raspberry Pi 4 Model B 8GB RAM Development Board DIY 4K Ultra HD Dual Micro Faster Stable Networking
SPECIFICATIONS
Brand Name: NONE,OEM
Description: Raspberry Pi 4b
Model Number: Raspberry Pi 4b
Origin: Mainland China
Place of Origin: Guangdong,China
Type: Development Board
DESCRIPTION
Raspberry Pi 4 Model B 8GB RAM
More Powerful Processor, Richer Multi-Media Capability, Faster Networking
64-Bit Quad-Core Processor
Faster, more powerful CPU
Provides smooth experience like X86 desktop PC
Dual Micro
Upgrade to dual micro instead of a full size
Dual displays, up to 60fps refreshing rate
2.4G / 5G Dual-Band WIFI
Upgraded Bluetooth 5.0 BLE, better performance
Dual-band WIFI, along with the Gigabit Ethernet
Better connectivity, faster and more stable networking
Faster Data Transmission
2xUSB 3.0 + 2xUSB 2.0
No more trouble when connecting with high speed devices
| ZERO | ZEROW/ WH | 3A+ | 3B | 3B+ | 4B | |
|---|---|---|---|---|---|---|
| SOC | BCM2835 | BCM2837B0 | BCM2711B0 | |||
| CPU | ARM11 Single-core 700MHz |
ARM Cortex-A53 Quad-core (3B 1.2GHz, 3A+/3B+ 1.4GHz) |
ARM Cortex-A72 Quad-core 1.5GHz |
|||
| GPU | Broadcom VideoCore IV@400MHz | Broadcom VideoCore IV@500MHz | ||||
| RAM | 512MB | 512MB | 1GB | Choice of 2GB/4GB/8GB | ||
| USB | 1x micro USB | 1x USB2.0 | 4x USB2.0 | 2x USB2.0 + 2x USB3.0 | ||
| Micro | Mini | |||||
| Bluetooth | N/A | Bluetooth 4.1 | Bluetooth 4.2 | Bluetooth 4.1 | Bluetooth 4.2 | Bluetooth 5.0 |
| WiFi | N/A | 802.11 b/g/n | 3B: 802.11 b/g/n, others: 802.11 b/g/n/ac 2.4GHz/5GHz dual band | |||
| Ethernet | N/A | 100Mbps | 300Mbps (USB) | 1000Mbps | ||
| PoE | N/A | Yes | ||||
| Power Input | Micro USB (5V 2.5A) | USB Type-C (5V 3A) | ||||
| Dimensions | 65 × 30 x 5 mm | 65 × 56 mm | 85 x 56 x 17 mm | |||
Your Tiny, Dual-Display, Desktop Computer
…And Robot Brains, Smart Home Hub, Media Center, Game Console...
tiny dual-display desktop (balance work and life)
Raspberry Pi smart robot (try the AI magic)
Raspberry Pi game console (relive retro games)
Study and development (DIY endless possibilities)
PACKAGE CONTENT
Weight: 0.066 kg
- PI4B-8GB x1
Purchase Basic Questions?
Q1: What is the Minimum Order Quantity (MOQ) for your electronic modules?
A: The MOQ varies according to different types of electronic modules: for standard models (such as power modules, relay modules), the MOQ is 100 pieces; for customized modules (such as custom PLC modules, communication modules), the MOQ is 500 pieces. For small-batch trial orders (less than MOQ), please contact our customer service for negotiation, and we will try our best to meet your trial needs on the premise of ensuring product cost and quality.
Q2: Can I get a sample before placing a bulk order?
A: Yes, we provide sample service. The sample quantity is usually 1-5 pieces, and the sample fee and shipping fee need to be borne by the buyer. The sample fee will be fully refunded to you when you place a bulk order that meets the MOQ. We will send the sample within 3-5 working days after receiving the sample payment, and provide the tracking number for you to check the logistics status anytime.
Q3: Do you support customization of electronic modules?
A: We fully support OEM/ODM customization services. You can provide your specific requirements, including electrical parameters (voltage, current, power), interface type, size, function, packaging, and logo printing. Our R&D team will provide professional technical solutions and sample confirmation within 7-10 working days. Customization needs to meet the corresponding MOQ, and the specific customization cycle and cost will be determined according to your requirements.
Q4: How to get a quotation for electronic modules?
A: You can send an inquiry directly through the Alibaba International Station platform, and clearly indicate the model, quantity, whether customization is needed, and the expected delivery time. Our sales team will reply to you with a detailed quotation within 24 hours. If you need a more accurate quotation, you can provide the product specification sheet or technical requirements, and we will adjust the quotation according to the actual situation.
Produsct Quality & Technical Issue
Q1: What quality standards do your electronic modules comply with?
Semi-Automatic PET Bottle Blowing Machine Bottle Making Machine Bottle Moulding Machine
PET Bottle Making Machine is suitable for producing PET plastic containers and bottles in all shapes.
Q2: What are the main types of electronic modules you supply?
A: Our main products cover various types of electronic modules widely used in industrial automation, intelligent equipment, and electronic products, including but not limited to: power modules (AC/DC, DC/DC), PLC modules (digital quantity, analog quantity), relay modules, communication modules (RS485, Ethernet), sensor modules, and frequency conversion drive modules. For more detailed product models and parameters, please check our product details page or contact customer service.
Q3: How to solve common faults of electronic modules?
A: Most common faults of electronic modules can be solved through simple inspection. We provide a detailed fault diagnosis manual, which includes common fault phenomena (such as no output voltage, unstable output, communication interruption), possible causes, and solutions. You can also contact our technical support team at any time, and we will provide professional guidance through online communication, video call, or technical documents. For more comple x faults, we will provide corresponding after-sales solutions according to the fault situation.
Q4: Are your electronic modules compatible with other brands of equipment?
A: Our standard electronic modules are designed according to international universal specifications, which are compatible with most mainstream brands of equipment on the market. For customized modules, we will design the interface and parameters according to your existing equipment to ensure perfect compatibility. Before customization, it is recommended that you provide the relevant parameters of your equipment, and our technical team will conduct compatibility verification.
Payment & Logistics Issues,After-Sales Service Issues
Q1: What payment methods do you accept?
A: We support various safe payment methods on Alibaba International Station, including Letter of Credit (L/C), Telegraphic Transfer (T/T), Credit Card, PayPal, and Alibaba Trade Assurance payment. We recommend using Trade Assurance payment, which can protect your payment until you confirm that the products meet the agreed conditions, ensuring the safety of both parties' transactions.
Q2: What is the delivery time for bulk orders?
A: For standard electronic modules, the delivery time is 7-15 working days after receiving the advance payment; for customized modules, the delivery time is 20-35 working days, depending on the complexity of customization and the order quantity. We will confirm the specific delivery time with you before placing the order, and strictly follow the agreed time to deliver the goods.
Q3: What is your after-sales service guarantee period?
A: We provide a 12-month quality guarantee period for all electronic modules from the date of receipt of the goods. During the guarantee period, if the product has quality problems (non-human damage, non-misoperation), we will provide free replacement or repair services. For products beyond the guarantee period, we will provide paid repair services and charge only the cost of parts and labor.
Q4: How to confirm the reliability of your company?
A: We are a verified supplier on Alibaba International Station, and a third party has verified our company's qualifications. You can check our company's certification, factory pictures, production videos, and customer reviews on the platform. At the same time, we support Trade Assurance payment to ensure the safety of your transaction. You are also welcome to visit our factory if you have the opportunity.
- Standard Shipping: Standard Shipping (12–18 Business Days)
- Express Shipping: Expedited Shipping (5–9 Business Days)
- Free Shipping: Orders over $199 qualify automatically
- Tracking: Full tracking number provided for all orders
- Returns: 30-day hassle-free return window
- Condition: Items must be unused and in original packaging
- Refund: Full refund processed within 3-5 business days
- Factory Direct: ISO/TS 16949 certified manufacturer
- Quality: 100% electrical continuity tested before shipment
- Experience: 15+ years in automotive connector industry
- Support: Professional technical support available
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