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- PCI Express 2.0 to USB 3.0 Conversion:
Converts a single PCI Express 2.0 lane into four independent USB 3.0 ports, each supporting SuperSpeed data transfer rates up to 5 Gbps.
- Four Independent USB 3.0 Ports:
Provides four USB 3.0 interfaces via two 19-pin box headers (CN1 and CN2).
- CN1: Two ports with native power supply.
- CN2: Two ports requiring external power input.
- Overcurrent Protection (OCP):
Each USB port includes independent 1.5A overcurrent protection to safeguard connected devices and the host system.
- Compliance and Compatibility:
Fully compliant with xHCI 1.0 and USB 3.0 Revision 1.0 specifications, ensuring compatibility with modern operating systems and USB peripherals.
- Battery Charging Support:
Supports USB Battery Charging Specification Revision 1.2, enabling faster charging for compatible devices.
- Industrial-Grade Design:
Built for reliability in harsh environments, featuring optional wide temperature support (-40°C to +85°C) and 30µ gold-plated connector fingers for enhanced durability and corrosion resistance.
- Low Power Consumption:
Typical power draw of 1.12W (3.3V x 340mA), optimized for embedded and low-power systems.
- Warranty and Reliability:
Backed by a 3-year warranty, ensuring long-term operational stability and manufacturer support.
- Manufactured in Taiwan:
Designed and produced by Innodisk Corporation, a global leader in industrial embedded solutions.
Converts a single PCI Express 2.0 lane into four independent USB 3.0 ports, each supporting SuperSpeed data transfer rates up to 5 Gbps.
- Four Independent USB 3.0 Ports:
Provides four USB 3.0 interfaces via two 19-pin box headers (CN1 and CN2).
- CN1: Two ports with native power supply.
- CN2: Two ports requiring external power input.
- Overcurrent Protection (OCP):
Each USB port includes independent 1.5A overcurrent protection to safeguard connected devices and the host system.
- Compliance and Compatibility:
Fully compliant with xHCI 1.0 and USB 3.0 Revision 1.0 specifications, ensuring compatibility with modern operating systems and USB peripherals.
- Battery Charging Support:
Supports USB Battery Charging Specification Revision 1.2, enabling faster charging for compatible devices.
- Industrial-Grade Design:
Built for reliability in harsh environments, featuring optional wide temperature support (-40°C to +85°C) and 30µ gold-plated connector fingers for enhanced durability and corrosion resistance.
- Low Power Consumption:
Typical power draw of 1.12W (3.3V x 340mA), optimized for embedded and low-power systems.
- Warranty and Reliability:
Backed by a 3-year warranty, ensuring long-term operational stability and manufacturer support.
- Manufactured in Taiwan:
Designed and produced by Innodisk Corporation, a global leader in industrial embedded solutions.
Comprehensive Product Summary: Innodisk EMPU-3401-W1-A71 mPCIe to Four USB 3.0 WT Module
### 1. Product Overview
Product Name: mPCIe to Four USB 3.0 WT Module
Model Number: EMPU-3401-W1-A71
Series: EMPU-3401 Series
Article Number: EMPU-3401-W1-A71
Manufacturer: Innodisk Corporation
Product Type: Mini PCI Express (mPCIe) to Quad USB 3.0 Expansion Module
Manufacturing Origin: Taiwan
The Innodisk EMPU-3401-W1-A71 is a compact, industrial-grade Mini PCI Express (mPCIe) expansion module designed to provide four high-speed USB 3.0 ports from a single PCI Express 2.0 interface. Engineered for embedded, industrial, and rugged computing environments, this module delivers reliable SuperSpeed USB connectivity with robust electrical protection, wide temperature tolerance, and compliance with modern USB and PCIe standards.
### 2. Key Features
- PCI Express 2.0 to USB 3.0 Conversion:
Converts a single PCI Express 2.0 lane into four independent USB 3.0 ports, each supporting SuperSpeed data transfer rates up to 5 Gbps.
- Four Independent USB 3.0 Ports:
Provides four USB 3.0 interfaces via two 19-pin box headers (CN1 and CN2).
- CN1: Two ports with native power supply.
- CN2: Two ports requiring external power input.
- Overcurrent Protection (OCP):
Each USB port includes independent 1.5A overcurrent protection to safeguard connected devices and the host system.
- Compliance and Compatibility:
Fully compliant with xHCI 1.0 and USB 3.0 Revision 1.0 specifications, ensuring compatibility with modern operating systems and USB peripherals.
- Battery Charging Support:
Supports USB Battery Charging Specification Revision 1.2, enabling faster charging for compatible devices.
- Industrial-Grade Design:
Built for reliability in harsh environments, featuring optional wide temperature support (-40°C to +85°C) and 30µ gold-plated connector fingers for enhanced durability and corrosion resistance.
- Low Power Consumption:
Typical power draw of 1.12W (3.3V x 340mA), optimized for embedded and low-power systems.
- Warranty and Reliability:
Backed by a 3-year warranty, ensuring long-term operational stability and manufacturer support.
- Manufactured in Taiwan:
Designed and produced by Innodisk Corporation, a global leader in industrial embedded solutions.
### 3. Technical Specifications
| Parameter | Specification |
|----------------|-------------------|
| Form Factor | Mini PCI Express (mPCIe) |
| Input Interface | PCI Express 2.0 |
| Output Interface | USB 3.0 (SuperSpeed, 5 Gbps) |
| Output Connector | 19-pin box header (two connectors: CN1 and CN2) |
| Number of USB Ports | 4 (2 from CN1, 2 from CN2) |
| Power Consumption (TDP) | 1.12 W (3.3V x 340 mA) |
| Dimensions (W x L x H) | 30.0 mm x 50.9 mm x 8.45 mm |
| Operating Temperature | Standard: 0°C to +70°C; Wide Temp (W/T): -40°C to +85°C |
| Storage Temperature | -55°C to +95°C |
| Vibration Resistance | 5G @ 7–2000 Hz |
| Shock Resistance | 50G @ 0.5 ms |
| Compliance | xHCI 1.0, USB 3.0 Rev 1.0, USB BC 1.2 |
| Connector Plating | 30µ gold finger |
| Warranty | 3 years |
| Country of Manufacture | Taiwan |
### 4. Functionality
The EMPU-3401-W1-A71 functions as a high-performance interface converter, bridging a PCI Express 2.0 bus to four independent USB 3.0 ports. It is designed for embedded systems, industrial PCs, and applications requiring multiple USB 3.0 connections in a compact form factor.
Operational Principle:
- The module connects to a host system via a standard Mini PCI Express slot.
- Internally, it utilizes a PCIe-to-USB 3.0 controller compliant with xHCI 1.0 to manage data transfer and communication.
- Each USB port operates independently, supporting SuperSpeed (5 Gbps) data rates.
- Overcurrent protection circuits ensure safe operation by limiting current draw to 1.5A per port.
- CN1 provides two USB ports with native power from the mPCIe interface, while CN2’s two ports require an external power source for full functionality.
Use Cases and Applications:
- Embedded computing platforms and industrial PCs requiring additional USB 3.0 connectivity.
- IoT gateways, automation controllers, and data acquisition systems.
- Digital signage, kiosks, and point-of-sale terminals.
- Ruggedized or fanless systems operating in extended temperature environments.
- Applications requiring USB 3.0 peripherals such as cameras, sensors, storage devices, or communication modules.
Compatibility:
- Compatible with major operating systems supporting xHCI 1.0:
- Windows: XP (32-bit), Vista, 7 (32/64-bit)
- Linux: Kernel v2.6.0, v2.6.8 and later
- Native Support: Windows 8 and Linux Kernel v2.6.31 and above include built-in xHCI 1.0 drivers.
### 5. Components & Accessories
Included Components:
- EMPU-3401-W1-A71 mPCIe to Four USB 3.0 Module
- 19-pin box header connectors (CN1 and CN2)
- Documentation and driver download instructions (available via MyInnodisk website)
Optional Accessories:
- External power cable for CN2 (required for powering the two additional USB ports)
- USB 3.0 header-to-port adapter cables
- Mounting screws or brackets (depending on system integration)
- Thermal pads or heat spreaders for high-temperature environments
Connectors:
- CN1: Two USB 3.0 ports with native power
- CN2: Two USB 3.0 ports requiring external power
- Pin Assignment (USB 3.0):
- VBUS, GND, differential pairs for SuperSpeed (SSTX±, SSRX±), and USB 2.0 (D±) signals
- Each port follows standard USB 3.0 pin mapping for compatibility with standard USB 3.0 cables and devices.
### 6. Installation & Setup
System Requirements:
- Available Mini PCI Express slot (full-size or half-size depending on system configuration)
- Host system supporting PCI Express 2.0 interface
- Operating system with xHCI 1.0 driver support
Installation Steps:
1. Power off the host system and disconnect from power.
2. Insert the EMPU-3401-W1-A71 module into the available mPCIe slot.
3. Secure the module using the appropriate mounting screw.
4. Connect USB 3.0 cables to CN1 and CN2 headers.
5. If using CN2 ports, connect an external power source as specified.
6. Power on the system and install drivers if required (for older OS versions).
7. Verify device recognition in the operating system’s device manager or equivalent.
Configuration:
- For Windows XP, Vista, and 7, download and install the driver from the MyInnodisk website.
- For Windows 8 and later, or Linux Kernel 2.6.31 and above, no additional driver installation is necessary.
- Optional BIOS configuration may be required to enable the mPCIe slot in certain embedded systems.
Mounting Options:
- Standard mPCIe slot mounting with screw retention.
- Compatible with embedded boards, industrial motherboards, and system-on-module (SoM) carriers.
### 7. Performance & Capabilities
Data Transfer Rate:
- Up to 5 Gbps per port (SuperSpeed USB 3.0)
- Backward compatible with USB 2.0 (480 Mbps) and USB 1.1 (12 Mbps)
Power Delivery:
- Each port supports up to 1.5A current output with independent overcurrent protection.
- CN1 ports powered directly from the mPCIe interface.
- CN2 ports require external power input for full current capacity.
Efficiency:
- Low power consumption (1.12W typical) ensures minimal thermal output and efficient operation in fanless systems.
Thermal and Environmental Performance:
- Wide temperature model (W1) supports operation from -40°C to +85°C, suitable for outdoor or industrial environments.
- Resistant to vibration (5G) and shock (50G), ensuring reliability in mobile or rugged applications.
Limitations:
- CN2 ports are inactive without external power connection.
- Limited by host system’s PCIe bandwidth and power delivery capabilities.
- Requires proper driver installation for legacy operating systems.
### 8. Standards & Compliance
Industry Standards:
- PCI Express 2.0 compliant
- USB 3.0 Revision 1.0 compliant
- xHCI 1.0 host controller interface compliant
- USB Battery Charging Specification Revision 1.2 supported
Environmental and Mechanical Standards:
- Designed for industrial-grade performance with vibration and shock resistance.
- Meets standard environmental testing for embedded hardware.
Regulatory Compliance:
- Manufactured under Innodisk’s ISO-certified quality management system.
- RoHS compliant (lead-free manufacturing process).
- CE and FCC compliance (typical for Innodisk industrial modules).
### 9. Additional Information
Warranty:
3-year limited warranty covering manufacturing defects and performance reliability under specified operating conditions.
Support and Maintenance:
- Technical support available through Innodisk’s global offices (Taiwan, USA, Europe, Japan, China).
- Firmware and driver updates accessible via the MyInnodisk online portal.
- Recommended periodic inspection of connectors and power lines in industrial environments.
Product Variants:
- EMPU-3401-C1: Standard temperature version (0°C to +70°C)
- EMPU-3401-W1: Wide temperature version (-40°C to +85°C)
Manufacturer Contact Information:
Headquarters (Taiwan):
Innodisk Corporation
5F., No. 237, Sec. 1, Datong Rd., Xizhi Dist., New Taipei City 221, Taiwan
Tel: +886-2-7703-3000
Email: sales@innodisk.com
Website: [www.innodisk.com](http://www.innodisk.com)
Regional Offices:
- USA: usasales@innodisk.com | +1-510-770-9421
- Europe: eusales@innodisk.com | +31-40-3045-400
- Japan: jpsales@innodisk.com | +81-45-594-7581
- China: sales_cn@innodisk.com | +86-755-21673689
Revision Date: June 13, 2018
Copyright: © 2015 Innodisk Corporation. All rights reserved.
Note: Specifications are subject to change without prior notice.
### Summary
The Innodisk EMPU-3401-W1-A71 is a robust, industrial-grade Mini PCIe expansion module that transforms a single PCI Express 2.0 interface into four high-speed USB 3.0 ports. With independent overcurrent protection, wide temperature tolerance, and compliance with modern USB standards, it is ideally suited for embedded and industrial applications requiring reliable, high-bandwidth USB connectivity. Its compact design, low power consumption, and extended environmental resilience make it a versatile solution for system integrators and OEMs seeking to expand USB capabilities in space-constrained or rugged environments.
### 1. Product Overview
Product Name: mPCIe to Four USB 3.0 WT Module
Model Number: EMPU-3401-W1-A71
Series: EMPU-3401 Series
Article Number: EMPU-3401-W1-A71
Manufacturer: Innodisk Corporation
Product Type: Mini PCI Express (mPCIe) to Quad USB 3.0 Expansion Module
Manufacturing Origin: Taiwan
The Innodisk EMPU-3401-W1-A71 is a compact, industrial-grade Mini PCI Express (mPCIe) expansion module designed to provide four high-speed USB 3.0 ports from a single PCI Express 2.0 interface. Engineered for embedded, industrial, and rugged computing environments, this module delivers reliable SuperSpeed USB connectivity with robust electrical protection, wide temperature tolerance, and compliance with modern USB and PCIe standards.
### 2. Key Features
- PCI Express 2.0 to USB 3.0 Conversion:
Converts a single PCI Express 2.0 lane into four independent USB 3.0 ports, each supporting SuperSpeed data transfer rates up to 5 Gbps.
- Four Independent USB 3.0 Ports:
Provides four USB 3.0 interfaces via two 19-pin box headers (CN1 and CN2).
- CN1: Two ports with native power supply.
- CN2: Two ports requiring external power input.
- Overcurrent Protection (OCP):
Each USB port includes independent 1.5A overcurrent protection to safeguard connected devices and the host system.
- Compliance and Compatibility:
Fully compliant with xHCI 1.0 and USB 3.0 Revision 1.0 specifications, ensuring compatibility with modern operating systems and USB peripherals.
- Battery Charging Support:
Supports USB Battery Charging Specification Revision 1.2, enabling faster charging for compatible devices.
- Industrial-Grade Design:
Built for reliability in harsh environments, featuring optional wide temperature support (-40°C to +85°C) and 30µ gold-plated connector fingers for enhanced durability and corrosion resistance.
- Low Power Consumption:
Typical power draw of 1.12W (3.3V x 340mA), optimized for embedded and low-power systems.
- Warranty and Reliability:
Backed by a 3-year warranty, ensuring long-term operational stability and manufacturer support.
- Manufactured in Taiwan:
Designed and produced by Innodisk Corporation, a global leader in industrial embedded solutions.
### 3. Technical Specifications
| Parameter | Specification |
|----------------|-------------------|
| Form Factor | Mini PCI Express (mPCIe) |
| Input Interface | PCI Express 2.0 |
| Output Interface | USB 3.0 (SuperSpeed, 5 Gbps) |
| Output Connector | 19-pin box header (two connectors: CN1 and CN2) |
| Number of USB Ports | 4 (2 from CN1, 2 from CN2) |
| Power Consumption (TDP) | 1.12 W (3.3V x 340 mA) |
| Dimensions (W x L x H) | 30.0 mm x 50.9 mm x 8.45 mm |
| Operating Temperature | Standard: 0°C to +70°C; Wide Temp (W/T): -40°C to +85°C |
| Storage Temperature | -55°C to +95°C |
| Vibration Resistance | 5G @ 7–2000 Hz |
| Shock Resistance | 50G @ 0.5 ms |
| Compliance | xHCI 1.0, USB 3.0 Rev 1.0, USB BC 1.2 |
| Connector Plating | 30µ gold finger |
| Warranty | 3 years |
| Country of Manufacture | Taiwan |
### 4. Functionality
The EMPU-3401-W1-A71 functions as a high-performance interface converter, bridging a PCI Express 2.0 bus to four independent USB 3.0 ports. It is designed for embedded systems, industrial PCs, and applications requiring multiple USB 3.0 connections in a compact form factor.
Operational Principle:
- The module connects to a host system via a standard Mini PCI Express slot.
- Internally, it utilizes a PCIe-to-USB 3.0 controller compliant with xHCI 1.0 to manage data transfer and communication.
- Each USB port operates independently, supporting SuperSpeed (5 Gbps) data rates.
- Overcurrent protection circuits ensure safe operation by limiting current draw to 1.5A per port.
- CN1 provides two USB ports with native power from the mPCIe interface, while CN2’s two ports require an external power source for full functionality.
Use Cases and Applications:
- Embedded computing platforms and industrial PCs requiring additional USB 3.0 connectivity.
- IoT gateways, automation controllers, and data acquisition systems.
- Digital signage, kiosks, and point-of-sale terminals.
- Ruggedized or fanless systems operating in extended temperature environments.
- Applications requiring USB 3.0 peripherals such as cameras, sensors, storage devices, or communication modules.
Compatibility:
- Compatible with major operating systems supporting xHCI 1.0:
- Windows: XP (32-bit), Vista, 7 (32/64-bit)
- Linux: Kernel v2.6.0, v2.6.8 and later
- Native Support: Windows 8 and Linux Kernel v2.6.31 and above include built-in xHCI 1.0 drivers.
### 5. Components & Accessories
Included Components:
- EMPU-3401-W1-A71 mPCIe to Four USB 3.0 Module
- 19-pin box header connectors (CN1 and CN2)
- Documentation and driver download instructions (available via MyInnodisk website)
Optional Accessories:
- External power cable for CN2 (required for powering the two additional USB ports)
- USB 3.0 header-to-port adapter cables
- Mounting screws or brackets (depending on system integration)
- Thermal pads or heat spreaders for high-temperature environments
Connectors:
- CN1: Two USB 3.0 ports with native power
- CN2: Two USB 3.0 ports requiring external power
- Pin Assignment (USB 3.0):
- VBUS, GND, differential pairs for SuperSpeed (SSTX±, SSRX±), and USB 2.0 (D±) signals
- Each port follows standard USB 3.0 pin mapping for compatibility with standard USB 3.0 cables and devices.
### 6. Installation & Setup
System Requirements:
- Available Mini PCI Express slot (full-size or half-size depending on system configuration)
- Host system supporting PCI Express 2.0 interface
- Operating system with xHCI 1.0 driver support
Installation Steps:
1. Power off the host system and disconnect from power.
2. Insert the EMPU-3401-W1-A71 module into the available mPCIe slot.
3. Secure the module using the appropriate mounting screw.
4. Connect USB 3.0 cables to CN1 and CN2 headers.
5. If using CN2 ports, connect an external power source as specified.
6. Power on the system and install drivers if required (for older OS versions).
7. Verify device recognition in the operating system’s device manager or equivalent.
Configuration:
- For Windows XP, Vista, and 7, download and install the driver from the MyInnodisk website.
- For Windows 8 and later, or Linux Kernel 2.6.31 and above, no additional driver installation is necessary.
- Optional BIOS configuration may be required to enable the mPCIe slot in certain embedded systems.
Mounting Options:
- Standard mPCIe slot mounting with screw retention.
- Compatible with embedded boards, industrial motherboards, and system-on-module (SoM) carriers.
### 7. Performance & Capabilities
Data Transfer Rate:
- Up to 5 Gbps per port (SuperSpeed USB 3.0)
- Backward compatible with USB 2.0 (480 Mbps) and USB 1.1 (12 Mbps)
Power Delivery:
- Each port supports up to 1.5A current output with independent overcurrent protection.
- CN1 ports powered directly from the mPCIe interface.
- CN2 ports require external power input for full current capacity.
Efficiency:
- Low power consumption (1.12W typical) ensures minimal thermal output and efficient operation in fanless systems.
Thermal and Environmental Performance:
- Wide temperature model (W1) supports operation from -40°C to +85°C, suitable for outdoor or industrial environments.
- Resistant to vibration (5G) and shock (50G), ensuring reliability in mobile or rugged applications.
Limitations:
- CN2 ports are inactive without external power connection.
- Limited by host system’s PCIe bandwidth and power delivery capabilities.
- Requires proper driver installation for legacy operating systems.
### 8. Standards & Compliance
Industry Standards:
- PCI Express 2.0 compliant
- USB 3.0 Revision 1.0 compliant
- xHCI 1.0 host controller interface compliant
- USB Battery Charging Specification Revision 1.2 supported
Environmental and Mechanical Standards:
- Designed for industrial-grade performance with vibration and shock resistance.
- Meets standard environmental testing for embedded hardware.
Regulatory Compliance:
- Manufactured under Innodisk’s ISO-certified quality management system.
- RoHS compliant (lead-free manufacturing process).
- CE and FCC compliance (typical for Innodisk industrial modules).
### 9. Additional Information
Warranty:
3-year limited warranty covering manufacturing defects and performance reliability under specified operating conditions.
Support and Maintenance:
- Technical support available through Innodisk’s global offices (Taiwan, USA, Europe, Japan, China).
- Firmware and driver updates accessible via the MyInnodisk online portal.
- Recommended periodic inspection of connectors and power lines in industrial environments.
Product Variants:
- EMPU-3401-C1: Standard temperature version (0°C to +70°C)
- EMPU-3401-W1: Wide temperature version (-40°C to +85°C)
Manufacturer Contact Information:
Headquarters (Taiwan):
Innodisk Corporation
5F., No. 237, Sec. 1, Datong Rd., Xizhi Dist., New Taipei City 221, Taiwan
Tel: +886-2-7703-3000
Email: sales@innodisk.com
Website: [www.innodisk.com](http://www.innodisk.com)
Regional Offices:
- USA: usasales@innodisk.com | +1-510-770-9421
- Europe: eusales@innodisk.com | +31-40-3045-400
- Japan: jpsales@innodisk.com | +81-45-594-7581
- China: sales_cn@innodisk.com | +86-755-21673689
Revision Date: June 13, 2018
Copyright: © 2015 Innodisk Corporation. All rights reserved.
Note: Specifications are subject to change without prior notice.
### Summary
The Innodisk EMPU-3401-W1-A71 is a robust, industrial-grade Mini PCIe expansion module that transforms a single PCI Express 2.0 interface into four high-speed USB 3.0 ports. With independent overcurrent protection, wide temperature tolerance, and compliance with modern USB standards, it is ideally suited for embedded and industrial applications requiring reliable, high-bandwidth USB connectivity. Its compact design, low power consumption, and extended environmental resilience make it a versatile solution for system integrators and OEMs seeking to expand USB capabilities in space-constrained or rugged environments.
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