Intel X550T2

The Intel Data-Direct I/O technology is a platform technology designed to enhance the efficiency of I/O data processing for the provisioning and utilization of I/O devices. With Intel Data-Direct I/O technology, Intel server adapters communicate directly with the processor cache, bypassing the system memory, which reduces latency, increases the system's I/O bandwidth, and lowers energy consumption.

Single-Root I/O Virtualization includes the native (direct) sharing of a single I/O resource among multiple virtual machines. Single-Root I/O Virtualization provides a mechanism through which a single root function (such as a single Ethernet port) can be represented as multiple separate physical devices.

The Flexible Port Partitioning technology utilizes the industry-standard PCI SIG SR-IOV to efficiently partition the physical Ethernet device into multiple virtual devices and offers Quality of Service by ensuring that each process assigned to a virtual function receives an appropriate share of the bandwidth.