The Broadcom Net Xtreme I Dual Port Gb E adapter for IBM System x is a part of IBM's comprehensive networking portfolio of Gb E PCIe NIC adapters;it delivers industry-leading performance & scalability per watt, reducing requirements for power & cooling. Protocol offloads enable efficient use of computing resources, support more virtual machines (VM) per CPU, and reduce the number of servers required to support data center demands. Designed For System x 3100 M4;x 3200 M3;x 3250 M4;x 3300 M4;x 3400 M3;x 3500 M3;x 3550 M3;x 3630 M4;x 3650 M3;x 3650 M4 BD;x 3650 M4 HD;x 3690 X5;x 3755 M3;x 3850 X5;x 3850 X6;x 3950 X6