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Mellanox MCX4421A-ACAN 2-Port 25Gbs SFP28 PCIE 3.0 Network Card
- Ports: 2 x 25GbE SFP28
- Interface: PCIe 3.0 x8
- Transceiver Type: SFP28 (Small Form-factor Pluggable 28)
- Bandwidth: 25 Gigabits per second per port
- Ideal for high-performance computing (HPC) and data centers.
- Supports advanced networking features like RoCE (RDMA over Converged Ethernet).
- Low latency for demanding applications.
- Provides high throughput for server connectivity.
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Product Overview
The Mellanox MCX4421A-ACAN is a dual-port 25GbE (Gigabit Ethernet) network interface card (NIC) featuring SFP28 transceivers and a PCIe 3.0 x8 host interface. It is designed for high-performance computing, data centers, and enterprise networking requiring high bandwidth and low latency.
Technical Information
| Product Type | Network Interface Card (NIC) |
| Brand | Mellanox |
| Model | MCX4421A-ACAN |
| Ports | 2 x 25GbE SFP28 |
Additional Specifications
| Interface | PCIe 3.0 x8 |
| Data Rate | 25Gb/s per port |
| Features | RDMA, RoCE, NVMe-oF support (often) |
Product Description
The Mellanox MCX4421A-ACAN is a cutting-edge dual-port 25GbE network adapter designed to meet the stringent demands of modern high-performance networks. Each port utilizes SFP28 transceivers, allowing for flexible deployment with appropriate optical modules, and provides a blazing fast 25 Gigabits per second connection. This high bandwidth is crucial for environments such as cloud data centers, high-performance computing clusters, and enterprise networks that handle massive data transfers. Connected via a PCIe 3.0 x8 interface, the card ensures that the host system can keep pace with the network speeds, minimizing bottlenecks. Mellanox, now part of NVIDIA, is renowned for its high-performance networking solutions, and this card often includes advanced features like RDMA (Remote Direct Memory Access) and RoCE (RDMA over Converged Ethernet). These technologies enable direct memory access between servers, bypassing the CPU and operating system kernel for significantly reduced latency and improved efficiency, which is critical for applications like distributed storage and AI/ML workloads. This 2-port 25GbE NIC is an excellent choice for server upgrades or new builds where maximizing network throughput and minimizing latency are paramount. It facilitates faster data movement for storage solutions, virtualized environments, and demanding computational tasks. The MCX4421A-ACAN represents a significant step up in network performance for organizations looking to leverage the benefits of 25GbE technology.
