The HPE Ethernet 1Gb 4-port 331FLR Adapter 629135-B22 for select HPE ProLiant Gen8 rack servers features the next generation of Ethernet integration, offering a single-chip solution in a Flexible LOM form factor, which offers the option for future upgrades to 10GbE networking speeds. It delivers full line-rate performance across all ports with low power consumption. The HPE 331FLR is ideal for virtualization, security, server consolidation, network segmentation, and other applications requiring maximum throughput and port density. The total aggregate throughput of 4Gb meets the needs of customers desiring high bandwidth. The HPE 331FLR supports advanced features such as Large Send and Receive offload capability, TCP checksum and segmentation, VLAN tagging, MSI-X, jumbo frames, IEEE 1588, HPE Sea of Sensors 3D and virtualization features such as VMware NetQueue and Microsoft VMQ. Support for HPE Sea of Sensors 3D Technology enhances server performance while reducing energy use and expense.