The Rocket 7634D is a high-performance External PCIe Gen5 x16 CDFP Adapter Card designed to provide next-generation external PCIe expansion for demanding professional, workstation, server, AI, and high-performance computing applications.

Featuring PCIe 5.0 x16 switching architecture and a dedicated CDFP-CopprLink Gen5 x16 port, the Rocket 7634D enables high-bandwidth external connectivity for compatible I/O accelerators, FPGA cards, GPUs, and other CopprLink-compliant PCIe devices.

With support for both x86 and ARM platforms, software-less plug-and-play installation, flexible downstream lane configurations, and a robust passive cooling solution, the Rocket 7634D provides a reliable and scalable solution for extending PCIe Gen5 capabilities beyond the host system.

Key Features

• PCIe Gen5 x16 External Expansion
• 1x External CDFP-CopprLink Gen5 Port
• Dedicated PCIe 5.0 x16 bandwidth to the external device
• Up to 64GB/s data transfer rate
• Robust PCIe Gen5 switching architecture
• Supports external GPUs, FPGA cards, I/O accelerators and CopprLink devices
• Plug-and-play, software-less installation
• Compatible with Windows and Linux platforms
• Supports x86 and ARM architectures
• Flexible downstream lane configurations
• Supports 1×16 / 2×8 / 4×4 / 8×2 / 16×1 configurations
• Passive full-length aluminum heatsink
• Low-profile, single-width form factor
• Real-time power measurement
• Host and device status LED indicators
• FRU support with VPD data storage
• Downstream Port Containment (DPC) support
• Firmware customization available upon request
• Supports Common Clock and SRIS connectivity scenarios

Next-Generation External PCIe Gen5 Expansion

The Rocket 7634D is designed to extend PCIe Gen5 connectivity outside the host system using a high-speed CDFP-CopprLink interface.

Its dedicated x16 architecture provides a high-bandwidth external connection suitable for applications where conventional internal PCIe expansion is limited by chassis space, system architecture, or deployment requirements.

With PCIe Gen5 technology, the adapter supports data transfer rates of up to 64GB/s, making it suitable for bandwidth-intensive external PCIe devices.

External CopprLink Connectivity

The Rocket 7634D incorporates 1x CDFP x16 connector based on the CopprLink specification.

The external CDFP connection is designed to work with industry-standard CopprLink-compliant devices, providing a flexible external PCIe Gen5 expansion platform.

The solution can be used with compatible external PCIe expansion devices and enclosures for high-performance computing and accelerator applications.

Ideal for GPUs, FPGA Cards and I/O Accelerators

The Rocket 7634D provides an external PCIe expansion interface for demanding accelerator-based applications.

It can be used to connect compatible:

• External GPUs
• FPGA accelerator cards
• AI accelerators
• High-performance I/O accelerators
• PCIe expansion devices
• CopprLink-compliant PCIe devices

This makes the Rocket 7634D suitable for professional workstations, AI development systems, compute platforms, edge systems, and other applications requiring high-speed external PCIe connectivity.

Dedicated PCIe Gen5 x16 Switching Architecture

The Rocket 7634D uses a robust PCIe Gen5 switching architecture to provide dedicated PCIe x16 connectivity to the external CDFP port.

The architecture is designed to maintain high-speed PCIe connectivity between the host system and external devices while supporting flexible downstream lane configurations.

Supported Downstream Configurations

The data port can support the following configurations:

• 1 x PCIe x16
• 2 x PCIe x8
• 4 x PCIe x4
• 8 x PCIe x2
• 16 x PCIe x1

This flexibility allows the adapter to accommodate different CopprLink-compliant device architectures and deployment requirements.

Plug-and-Play Installation

The Rocket 7634D is designed for a software-less, plug-and-play installation, helping simplify deployment on compatible systems.

No dedicated software installation is required for standard operation, making the adapter suitable for a wide range of professional and enterprise environments.

Supported Platforms

• Windows
• Linux
• x86 platforms
• ARM platforms

High-Speed PCIe Gen5 Performance

With a PCIe 5.0 x16 host interface and dedicated external x16 connectivity, the Rocket 7634D delivers up to:

64GB/s Data Transfer Rate

This high-bandwidth architecture makes it suitable for applications involving large datasets, accelerator workloads, high-performance I/O, and external GPU or FPGA connectivity.

CDFP / MCIO Connectivity and Clock Support

The Rocket 7634D is designed to support different PCIe clocking requirements for host and external connectivity.

Host Connectivity

• PCIe connection
• REFCLK support
• Common Clock Mode

CDFP / MCIO Connectivity

• REFCLK support
• Compatible with devices supporting SRIS

This provides additional flexibility when connecting compatible external PCIe devices with different clocking implementations.

Intelligent Monitoring and Management

The Rocket 7634D includes hardware-level monitoring features designed to provide visibility into system and device status.

Host & Device Status LEDs

Integrated LEDs provide visual status information for the host and connected device, helping users quickly identify connectivity and operating conditions.

Real-Time Power Measurement

The adapter supports real-time power measurement, providing useful power-consumption information during system operation.

FRU Support

The Rocket 7634D supports Field Replacement Unit (FRU) functionality and can store VPD (Vital Product Data) for system identification and asset-management requirements.

Downstream Port Containment

The Rocket 7634D supports Downstream Port Containment (DPC) to help manage PCIe error conditions and improve system-level reliability in compatible environments.

This feature is particularly useful in professional and enterprise deployments where PCIe fault handling is an important consideration.

Advanced Passive Cooling

The Rocket 7634D features a full-length passive aluminum heatsink designed to dissipate heat from the PCIe switching components without requiring an additional active cooling fan.

The passive cooling design helps maintain a compact and low-maintenance hardware configuration while supporting demanding PCIe Gen5 workloads.

Low-Profile Single-Width Design

The adapter uses a Low-Profile, Single-Width form factor, making it suitable for systems where internal expansion space is limited.

Dimensions

6.50″ x 2.72″ x 0.77″

Weight

0.44 lbs.

Power Consumption

The Rocket 7634D is designed to support both idle and high-I/O workloads.

• Idle Mode: 8.2W
• I/O Mode: Up to 355.4W

Actual system power requirements may vary depending on the connected external device and overall system configuration.

Operating Environment

Operating Temperature

0°C to +55°C

Storage Temperature

-20°C to +80°C

Operating Voltage

• PCIe: 12V ±8%
• 3.3V ±8%

Reliability

The Rocket 7634D is designed for demanding professional and enterprise applications.

MTBF

> 5,000,000 hours at 40°C

The robust PCIe switching architecture, passive aluminum cooling, and hardware monitoring features make it suitable for continuous high-performance operation in compatible systems.

Applications

The Rocket 7634D is ideal for a wide range of high-performance external PCIe expansion applications, including:

• External GPU expansion
• AI and machine-learning acceleration
• FPGA acceleration
• High-performance computing
• Professional workstation expansion
• Enterprise computing
• Data-intensive workloads
• High-speed I/O expansion
• Edge computing
• Accelerator-based systems
• Research and development platforms
• External PCIe device connectivity

Compatible Expansion Ecosystem

The Rocket 7634D can be paired with compatible HighPoint external expansion solutions and CopprLink cabling.

Optional CDFP Cable

CDFP-CDFP-1M
CopprLink Gen5 cable, 1 meter

Compatible eGPU / Expansion Enclosures

• RocketStor 8631A
• RocketStor 8631C
• RocketStor 8631D

Compatibility should be verified based on the host system, external enclosure, connected PCIe device, and required lane configuration.

Technical Specifications

Package Contents

The Rocket 7634D package includes:

• Rocket 7634D External PCIe Adapter
• Low-Profile Ventilated Bracket
• Quick Installation Guide (QIG)

Optional Accessories

Cabling

• CDFP-CDFP-1M — CopprLink Gen5 Cable

eGPU / Expansion Enclosures

• RocketStor 8631A
• RocketStor 8631C
• RocketStor 8631D

Why Choose Rocket 7634D?

The Rocket 7634D combines PCIe Gen5 x16 performance with high-speed external CopprLink connectivity in a compact, low-profile design.

Its dedicated x16 architecture, flexible lane configuration, broad x86/ARM compatibility, plug-and-play installation, real-time power monitoring, FRU support, and passive cooling make it a powerful solution for expanding PCIe capabilities beyond the host system.

Key Benefits at a Glance

• PCIe 5.0 x16 performance
• Up to 64GB/s data transfer
• External CDFP-CopprLink connectivity
• Dedicated x16 PCIe lanes
• Flexible lane configurations
• GPU, FPGA and accelerator support
• Windows & Linux compatible
• x86 & ARM compatible
• Plug-and-play installation
• Low-profile single-width design
• Passive aluminum cooling
• Real-time power monitoring
• FRU/VPD support
• Enterprise-ready reliability