. Do you need a low power high port density 1 Gb E network adapters for virtualization & server consolidation? The HPE Ethernet 1 Gb 4-port 331FLR Adapter for select HPE Pro Liant Gen 8 & Gen 9 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 10 Gb E 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 & other applications requiring maximum throughput & port density. The total aggregate throughput of 4 Gb meets the needs of customers desiring high bandwidth. The HPE 331FLR supports advanced features such as Large Send & Receive offload capability TCP checksum & segmentation VLAN tagging MSI-X jumbo frames IEEE 1588 HPE Sea of Sensors 3D & virtualization features such as VMware Net Queue & Microsoft VMQ. Support for HPE Sea of Sensors 3D Technology enhances server performance while reducing energy use & expense Key Product Info. Replaceable FLexible LOM enables easy upgrade from 1 Gb E to 10 Gb E Product Features Designed for Maximum Throughput & High Port Density Replaceable FLexible LOM enables easy upgrade from 1 Gb E to 10 Gb E.. An aggregate full duplex transfer rate of 8 Gb/s per adapter delivers outstanding network performance that improves response time & removes bottlenecks.. Comprehensive stateless offloads optimize host efficiency & VM density by leaving host CPU available for other duties.. Virtualization support for VMware Net Queue & Microsoft VMQ help meet the performance demands of consolidated virtual workloads.. Support for MSI/MSI-X provides performance benefits for multi-core servers by load balancing interrupts between CPUs/cores.