Accortec Ethernet 10 Gigabit Converged Network Adapter X520-SR2

The Accortec Ethernet 10 Gigabit Converged Network Adapter X520-SR2 is a cutting-edge dual-port NIC designed to elevate server connectivity, virtualization performance, and data-center efficiency. Engineered for high-throughput environments, this PCI Express x8 interface card delivers robust, scalable 10 Gigabit Ethernet connectivity that enterprises rely on for mission-critical workloads. With two SFP+ ports and SR optics support, it enables fast, flexible fiber deployments while minimizing CPU overhead and latency. This description blends core capabilities, real-world benefits, and practical deployment tips to help IT teams understand why the X520-SR2 remains a trusted choice for modern infrastructure—from on-premise data centers to hyper-converged and cloud-native environments.

• Turbocharged dual-port performance: This NIC delivers up to two 10 Gigabit Ethernet channels, providing the bandwidth needed for virtualized servers, large-scale backups, high-performance databases, and storage traffic. The dual-port design enables separate uplink and intra-data-center traffic, reducing contention and delivering consistent throughput even under heavy load. With advanced packet handling and offloads, you unlock responsive application performance and smoother virtualization experiences across multiple VMs and containers.
• Converged fiber connectivity with SFP+ SR: Each port is built for 10GBASE-SR fiber links via SFP+ connectors, enabling flexible, scalable fiber deployments in data centers. SR optics and short-reach multi-mode fiber are ideal for rack-to-rack and cross-row connectivity, delivering low latency and high reliability in dense environments. This converged solution simplifies cabling, supports rapid reconfiguration, and integrates seamlessly with switch fabrics that demand high-port-count, high-speed interconnects.
• Efficient PCIe x8 host interface: The X520-SR2 employs a high-bandwidth PCI Express x8 host interface, ensuring the NIC has ample bandwidth to feed multiple guests, virtual switches, and high-I/O workloads. This design minimizes bus contention, improves CPU efficiency, and leaves more processing power available for virtualization platforms, databases, and AI-ready workloads. The result is lower CPU overhead, better virtual machine density, and improved overall system responsiveness under load.
• Smart offloads and virtualization support: With features like TCP segmentation offload, large send/receive offload, and receive-side scaling, the adapter reduces CPU utilization while maintaining high network throughput. These offloads translate into higher guest VM performance in VMware, Hyper-V, and KVM environments, as well as better performance for containerized workloads in modern Kubernetes clusters. The X520-SR2 also supports virtualization-aware features such as NIC teaming and link aggregation to deliver resilient, scalable network topologies.
• Reliability, management, and network visibility: The dual-port design is complemented by advanced management capabilities, including VLAN offload, traffic steering, and robust monitoring through standard enterprise tools. This enables precise traffic segmentation, efficient network administration, and easy integration with existing security policies. Whether you are consolidating workloads in a private cloud or extending links to a disaster-recovery site, the X520-SR2 offers dependable performance and straightforward manageability across physical and virtual networks.

Technical Details of Accortec Ethernet 10 Gigabit Converged Network Adapter X520-SR2

• Form factor: PCIe network adapter card designed for servers and workstation rooms
• Interface: PCI Express (PCIe) x8 host interface to maximize data-path bandwidth
• Ports: 2 x 10 Gigabit Ethernet SFP+ SR ports for high-speed fiber connectivity
• Networking standards: 10 Gigabit Ethernet with 10GBASE-SR fiber optics support
• Data rate: Up to 2 x 10 Gbps aggregate bandwidth across both ports
• Transceivers: Requires compatible SFP+ SR transceiver modules and multi-mode fiber (sold separately) for fiber links
• Offloads and performance: TCP segmentation offload (TSO), large send/receive offload (LSO/LRO), and receive-side scaling to reduce CPU overhead
• Virtualization compatibility: Works with major hypervisors and supports NIC teaming, LACP, and VLAN offload for flexible network designs
• Operating system support: Broad OS compatibility with common server and virtualization platforms
• Power and reliability: Designed for reliable operation within standard data-center power envelopes and standard PCIe hot-plug environments
• Security and management: Integrated with enterprise-grade NIC management features to simplify provisioning and ongoing maintenance

How to install Accortec Ethernet 10 Gigabit Converged Network Adapter X520-SR2

Power down the server and unplug the power cable. Ground yourself to prevent electrostatic discharge before touching any components. Remove the chassis cover and locate an available PCIe slot that is compatible with your system’s motherboard. The X520-SR2 requires a PCIe x8 slot, though it is compatible with x8 or higher slots in most configurations. If needed, remove a PCIe slot cover to accommodate the card’s bracket.

Carefully align the card with the PCIe slot and firmly press until it is seated. Secure the bracket with screws to ensure a stable installation. Reinstall the chassis cover and reconnect power. Boot the server and proceed to install the latest drivers from Accortec or your operating system vendor’s driver repository. After the driver installation completes, open the network configuration utility and verify that both 10 GbE interfaces are detected and enabled.

Attach the fiber cables to the two SFP+ ports using appropriate 10GBASE-SR transceivers and multi-mode fiber. Validate link status, speed, and duplex settings through the operating system’s network interface configuration. If you plan to use NIC teaming, LACP, or virtual switch features, configure them according to your data-center network design. Finally, run a basic throughput and latency check to confirm that the two ports are delivering the expected performance before moving workloads onto the NIC.

Frequently asked questions

• Q: What is the Accortec X520-SR2? A: It is a dual-port 10 Gigabit Ethernet network adapter with two SFP+ SR fiber ports, designed for high-performance server connectivity and virtualization environments.
• Q: Do I need special transceivers or cables? A: Yes. Each SFP+ port requires a compatible 10GBASE-SR transceiver and multi-mode fiber suitable for your distance requirements.
• Q: Is this adapter compatible with major hypervisors? A: Yes. It supports common virtualization platforms such as VMware vSphere, Microsoft Hyper-V, and KVM, with standard NIC offloads and teaming features.
• Q: What operating systems are supported? A: The X520-SR2 is designed to be compatible with a wide range of server OSes; ensure you install the latest drivers from Accortec or your OS vendor for best results.
• Q: Can I use NIC teaming or link aggregation with this card? A: Absolutely. The adapter supports NIC teaming and LACP, enabling resilient, scalable network designs and efficient load balancing across multiple links.