Mellanox Nvidia MCX515A GCAT ConnectX 5 EN Adapter Card Specifications

Basic Information:

1. Model: MCX515A GCAT

2. Brand: Mellanox Technologies

3. Product Name: ConnectX 5 EN Adapter Card

4. Interface: 50GbE (single port)

5. Form Factor: PCIe 3.0 x8

6. Power Consumption: Approximately 20W (typical)

7. Operating Systems Supported: Linux, Windows, and other OSes with Mellanox OFED drivers

8. Warranty: Typically 1 year, depending on the vendor

Transmitter Receiver Characteristics:

1. Transmit Signaling: 50GbE NRZ (Non Return to Zero)

2. Receiver Sensitivity:  13 dBm to  8 dBm (typical)

3. Link Distance:

  OM3 Multi mode fiber: Up to 300 meters

  OM4 Multi mode fiber: Up to 500 meters

  Single mode fiber (OS2): Up to 10 kilometers

4. Supported Transceiver Types: QSFP28

5. Optical Wavelength: 850 nm (Multi mode), 1310 nm or 1550 nm (Single mode)

6. Modulation Scheme: 50GBASE CR2, 50GBASE SR2

7. Forward Error Correction (FEC): Supported

8. Equalization: Adaptive FFE (Feed Forward Equalization) and DFE (Decision Feedback Equalization)

9. Jitter Attenuation: Better than  25 dBc (typical)

10. Signal Integrity: Robust design to maintain signal integrity over various distances and fiber types

Additional Features:

  RoCE (RDMA over Converged Ethernet): Supports RDMA, reducing latency and CPU utilization for high performance computing and storage applications.

  VPI (Virtual Protocol Interconnect): Allows multiple protocols to share the same port, increasing flexibility.

  Energy Efficient: Designed with power optimization in mind, reducing overall energy consumption.

  MTU (Maximum Transmission Unit) Support: Jumbo frames up to 9K are supported, enhancing data transfer efficiency.

  Quality of Service (QoS): Prioritization of network traffic to ensure critical applications perform optimally.

  Flow Control: Pause frames and PFC (Priority Flow Control) help manage network congestion.

  Temperature Range: Typically operates within a commercial temperature range (0°C to 40°C).

This adapter card is designed for high performance networking environments where low latency and high throughput are critical. Its single 50GbE port provides the bandwidth necessary for demanding applications such as data centers, high performance computing clusters, and storage area networks. The ConnectX 5 EN is also backward compatible with 10GbE and 40GbE networks, ensuring a smooth transition to higher speeds.

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