The PLX (now Broadcom) PEX8649-AA50BCF is a PCI Express (PCIe) Gen2 switch designed for applications requiring high lane count and flexible port configurations. It's commonly used in servers, workstations, and storage systems to provide scalable PCIe connectivity.

Applications

• Servers: Used in servers to expand PCIe connectivity for various add-in cards such as network interface cards (NICs), storage controllers, and GPUs.
• Workstations: Employed in high-performance workstations to support multiple graphics cards, storage devices, and other peripherals.
• Storage Systems: Integrated into storage systems to provide connectivity between host processors and storage devices, ensuring rapid data access and transfer.
• Data Acquisition Systems: Utilized in data acquisition systems requiring high-speed data transfer between various components.

Features

• PCIe Gen2 Support: Compliant with PCI Express Gen2 specifications, offering data transfer rates up to 5GT/s per lane.
• 48 Lanes: Provides 48 lanes of PCIe connectivity, allowing for flexible configuration and connection of multiple devices.
• Non-Transparent Bridging (NTB): Supports NTB functionality for connecting multiple host systems or subsystems.
• Advanced Error Reporting: Features advanced error detection and reporting capabilities to ensure data integrity and system reliability.
• Flexible Port Configuration: Allows for flexible configuration of PCIe ports to adapt to different system requirements.

Benefits

• Increased Bandwidth: PCIe Gen2 support provides increased bandwidth for demanding applications, improving overall system performance.
• Scalability: The high lane count allows for scalable system designs, accommodating additional devices and functionality.
• Enhanced Reliability: Advanced error reporting and detection capabilities ensure data integrity and system reliability, minimizing downtime.
• Flexibility: Flexible port configuration allows for adaptation to different system requirements, providing greater design flexibility.

Additional Details

The PEX8649-AA50BCF is typically packaged in a BGA (Ball Grid Array) package for surface mount assembly. It requires a stable power supply and appropriate thermal management to ensure reliable operation. This PCIe switch is designed to meet the performance and reliability requirements of high-end server, workstation, storage, and data acquisition applications.