The "MCX631102AN ADAT" is a product identifier for a Mellanox network interface card (NIC) that is designed to provide high speed connectivity for data centers and high performance computing environments. Here's a breakdown of the key features and specifications based on the identifier:

1. Introduction:

The Mellanox MCX631102AN ADAT is a high performance network interface card that supports 25 Gigabit Ethernet (25GbE) speeds. It is designed to handle demanding network applications where high throughput and low latency are critical.

2. Speed:

The card supports 25GbE speeds, which is a significant upgrade from the previous 10GbE standard. This allows for faster data transfer rates, which is particularly beneficial for applications such as high frequency trading, big data analytics, and cloud computing.

3. Interface Type:

The card uses the SFP28 (Small Form factor Pluggable) interface for the physical connection. SFP28 is a compact, hot pluggable transceiver that supports 25GbE and other speeds. It is designed to be backward compatible with SFP+ and SFP interfaces, although the actual compatibility depends on the specific transceiver used.

4. Hardware Interface:

The card is a PCIe 4.0 x8 adapter, which means it connects to the host system via a PCIe 4.0 slot and provides 8 lanes of data transfer. PCIe 4.0 offers higher bandwidth compared to PCIe 3.0, which can be leveraged for improved performance.

5. Chip Type System:

Mellanox cards typically use their own proprietary ASICs (Application Specific Integrated Circuits) designed for high performance networking. These ASICs are optimized for tasks such as packet processing, flow control, and other network related functions. The specific ASIC used in the MCX631102AN ADAT would be part of Mellanox's ConnectX family of adapters.

6. Additional Features:

Mellanox NICs are known for their advanced features such as RDMA (Remote Direct Memory Access) over Converged Ethernet (RoCE), which allows for low latency and high throughput communication between servers. They also support virtualization technologies like SR IOV (Single Root I/O Virtualization) and NVGRE (Network Virtualization using Generic Routing Encapsulation), which are important for cloud environments.

7. System Compatibility:

The card is designed to work with a variety of operating systems and hypervisors, including those from major vendors like Microsoft, VMware, and Linux distributions. Compatibility with specific systems would depend on the drivers and software provided by Mellanox.

8. Performance and Scalability:

Mellanox NICs are often used in environments where high performance and scalability are required. They are capable of handling large amounts of data with minimal latency, making them suitable for applications that demand real time processing and analysis.

For the most accurate and up to date information regarding the MCX631102AN ADAT, including detailed specifications, performance metrics, and system requirements, it is recommended to consult the official Mellanox documentation or contact their technical support directly.

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