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PEX8649-AA50BCF from PLX

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PEX8649-AA50BCF

Manufacturer: PLX

PCI Express Gen 2 Switch, 48 Lanes, 12 Ports

Partnumber Manufacturer Quantity Availability
PEX8649-AA50BCF,PEX8649AA50BCF PLX 21 In Stock

Description and Introduction

PCI Express Gen 2 Switch, 48 Lanes, 12 Ports The **PEX8649-AA50BCF** is a high-performance PCI Express (PCIe) switch designed to facilitate efficient data communication in complex computing and embedded systems. As a member of the ExpressLane™ family, this component supports high-speed interconnects, making it ideal for applications requiring scalable bandwidth and low-latency data transfer.  

Featuring **48 lanes** and **12 ports**, the PEX8649-AA50BCF enables flexible connectivity between multiple PCIe devices, including GPUs, SSDs, and network adapters. Its advanced architecture supports **non-transparent bridging (NTB)**, allowing seamless communication between separate processor domains—a critical feature for redundancy and failover systems.  

With **Gen3 (8 GT/s per lane)** compatibility, the switch ensures high throughput while maintaining backward compatibility with earlier PCIe generations. Its robust power management capabilities optimize energy efficiency, making it suitable for both enterprise and industrial environments.  

Engineers value the PEX8649-AA50BCF for its reliability, low power consumption, and extensive configurability, which simplifies integration into diverse system designs. Whether deployed in data centers, storage arrays, or high-performance embedded systems, this PCIe switch delivers the performance and flexibility needed for demanding applications.  

By balancing speed, scalability, and power efficiency, the PEX8649-AA50BCF stands as a versatile solution for modern interconnect challenges.

Application Scenarios & Design Considerations

PCI Express Gen 2 Switch, 48 Lanes, 12 Ports

Alternative Part Number

  • 89HPES24T6ZBBL --: PCIe switch in the same class as the PEX8649; IDT's PES series is a widely used pin-compatible alternative family for PLX PCIe switches.
  • PM8532B-FEI --: PCIe Gen3 switch offering comparable lane/port counts, commonly used as a drop-in replacement for PLX PEX8649 designs.
  • PEX8749-CA80BCG --: Successor-generation PLX PCIe switch with backward-compatible software model, suitable when a higher-spec replacement is acceptable.

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