Mellanox ConnectX-4 Lx EN Programmable Adapter Card
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Product Information for Mellanox ConnectX-4 Lx EN Programmable Adapter Card

Highlights for Mellanox ConnectX-4 Lx EN Programmable Adapter Card

  • Host Interface:PCI Express 3.0 x8

Mellanox programmable adapters integrate Mellanox best-in-class network controllers with an advanced FPGA on board, introducing a true open platform for development and deployment of customized network applications while taking advantage of Mellanox network controller's hardware-based I/O isolation, unmatched scalability and efficiency.

The ConnectX-4 Lx EN Programmable adapter can be used to accelerate security applications, Deep Packet Inspection, Compression/Decompression and many other functions that require data acceleration engines to improve performance in modern data centers, private and public clouds, Web 2.0 infrastructures, telecommunications, and high-performance computing applications.

The ConnectX-4 Lx EN Programmable adapter natively offers industry-leading technologies, such as hardware support for RDMA over Converged Ethernet, Ethernet stateless offload engines, Overlay Networks, and GPUDirect®. The addition of the FPGA on board provides users with maximum flexibility to offload CPU utilization by migrating portions of their data processing logic to the FPGA.

General Information

  • Product Type: 40Gigabit Ethernet Card
  • Manufacturer Part Number: MCX4732A-BCAT
  • Manufacturer Website Address:
  • Manufacturer: Mellanox Technologies Ltd
  • Product Name: ConnectX-4 Lx EN Programmable Adapter Card
  • Product Line: ConnectX-4 EN
  • Brand Name: Mellanox


  • Host Interface: PCI Express 3.0 x8
  • Total Number of Ports: 1

I/O Expansions

  • Expansion Slot Type: QSFP

Media & Performance

  • Media Type Supported: Optical Fiber


  • Device Supported: Server
  • Green Compliant: Yes
  • Green Compliance Certificate/Authority: RoHS-6

Network & Communication

  • Network Technology: 40GBase-X

Physical Characteristics

  • Form Factor: Plug-in Card
  • Height: 3.2"
  • Width: 6.6"


  • Limited Warranty: 1 Year