New Original Intel EXPX9502AFXSR
Intel 10 Gigabit XF SR Dual Port Server Adapter, Dual Port, LC MMF
Condition: Brand New Factory Sealed
Warranty: 3-Year
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http://www.intel.com/content/www/us/en/network-adapters/10-gigabit-network-adapters/10-gigabit-xf-server-adapters-brief.html?wapkw=expx9502afxsr

Intel® 10 Gigabit XF Server Adapters Product Brief

Energy-efficient, next-generation 10 Gigabit performance

10 Gigabit Ethernet has moved past the early adoption stage and is rapidly becoming mainstay for backbones within enterprise and service provider networks. The escalating deployments of servers with multi-core processors and demanding applications such as High Performance Computing (HPC), database clusters, and video-on-demand are driving the need for 10 Gigabit connections. Based on the Intel® 82598EB 10 Gigabit Ethernet Controller, the next-generation Intel® 10 Gigabit XF Server Adapters are designed to meet the throughput and latency requirements of bandwidth-hungry applications, while offering a very low power envelope for energy efficiency. Ideal for slot-constrained environments, the Intel® 10 Gigabit XF Dual Port Server Adapter provides a simplified alternative to multiple 1 Gbps server adapters.

Performance-enhancing features for multi-core environments

When implemented within multi-core processor environments, Intel 10 Gigabit XF Server Adapters offer advanced networking features for efficient distribution of Ethernet workloads across CPU cores. Load balancing of interrupts using MSI-X enables more efficient response times and application performance. CPU utilization can be lowered further through stateless offloads such as TCP segmentation offload, header replications/splitting, and Direct Cache Access (DCA).

Intel 10 Gigabit XF Server Adapters are optimized for virtualized environments, supporting multiple queues, alleviating I/O bottlenecks between virtual machines. Virtual Machine Device queue (VMDq) technology offloads data sorting and data copying from the virtual machine monitor (VMM) software layer to the hardware, improving overall throughput and CPU utilization on virtualized servers. Additionally, Intel 10 Gigabit XF Server Adapters enable Intel® I/O Acceleration Technology (Intel® I/OAT) with support for Intel® QuickData for faster I/O processing on the new Quad-Core and Dual-Core Intel® Xeon® processor-based servers.