Lenovo DCG X722 Integrated10Gb 4 - port SFP LOM Controller - 7ZT7A00547

Item # LEN7ZT7A00547 (Part # 7ZT7A00547)
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Item Description:
ThinkSystem 10Gb 4-port SFP+ LOM


The Intel Ethernet Connection X722 is a network controller embedded into the Intel C624 "Lewisburg" PCH chipset of Lenovo Think System servers. The controller connects to available 10 GbE and 1 Gigabit Ethernet LAN-on-motherboard (LOM) adapter cards and onboard connectors to provide a comprehensive 1 GbE / 10 GbE networking solution for Think System customers.

Think System servers support either 10 Gb Ethernet copper or optical connections; or Gigabit Ethernet connections depending on the server model.

The following figure shows the Think System 10Gb 4-port SFP+ LOM adapter which provides four SFP+ cages for optical or direct-attach copper (DAC) connectivity.

Product Features:

  • VXLAN/NVGRE Hardware Offloads: These stateless offloads preserve application performance for overlay networks. With these offloads; it is possible to distribute network traffic across CPU cores. At the same time; the controller offloads LSO; GSO; and checksum from the host software; which reduces CPU overhead.
  • Low latency: Intel Ethernet Flow Director delivers hardware-based application steering and Intel Data Direct I/O makes the processor cache the primary destination and source of I/O data rather than main memory.
  • Virtualization performance: With Intel Virtualization Technology (VT); the controller delivers outstanding I/O performance in virtualized server environments. The controller reduces I/O bottlenecks by providing intelligent offloads for networking traffic per virtual machine (VM); which enables near-line rate speeds for small packets and supports almost an unlimited amount of isolated traffic flows so that you can scale your cloud environment.
  • Next-generation VMDq: The controller support up to 128 VMDq VMs and offer enhanced Quality of Service (QoS) feature by providing weighted round-robin servicing for the Tx data. The controller offloads the data-sorting functionality from the hypervisor to the network silicon; which improves data throughput and CPU usage.
  • SR-IOV implementation: Provides an implementation of the PCI-SIG standard for I/O Virtualization. The physical configuration of each port is divided into multiple virtual ports. Each virtual port is assigned to an individual VM directly by bypassing the virtual switch in the Hypervisor; which results in near-native performance.
  • iWarp RDMA support implements kernel bypass and direct data placement and allows for more efficient high-speed networking by eliminating queues and network related interrupts
  • VM load balancing: Provides traffic load balancing (Tx and Rx) across VMs that are bound to the team interface. It also provides fault tolerance of a switch; port; or cable.
  • Auto-detect (PnP) feature for the LOM adapters; enabling you to change LOM adapters (eg from a 1Gb LOM to 10 Gb LOM) and the network interface will automatically reconfigure during the boot process


  • Host interface:
    • PCI Power Management/ACPI Extensions
    • TLP Processing Hint (TPH) Support
    • MSI-X Support - up to 1168 MSI-X vectors
  • Virtualization features:
    • Microsoft Network Virtualization that uses Generic Routing Encapsulation (NVGRE)
    • VMware Virtual Extensible LAN (VXLAN)
    • Intel Virtual Technology (VT) with VMDq for virtualization
    • VMware Net Queue and Microsoft VMQ support
    • VEB enhancement
    • SR-IOV support - 4 physical functions; 128 virtual functions
    • Virtual Bridging Support: VEPA/802.1Qbg
    • iWarp RDMA support
  • Management features:
    • Advanced filtering capabilities (IPv4; IPv6)
    • SNMP
    • RMON statistic counters
    • Wake on LAN support (first port only)
    • NC-SI for Clarity Controller (XCC) shared management port connectivity only through port 1
    • Intel Prose Utility for easy configuration and management
  • Additional features:
    • IPv4 and IPv6 support
    • Jumbo Frame Support: 9728 bytes
    • VLAN support
    • Flow Control
    • 1588 Time Synchronization Support
    • Data Plane Development Kit (DPDK) support
  • TCP/IP Layer 2 features
    • Receive Side Scaling (RSS)
    • Large Send Offload (LSO)
    • TCP/UDP/IP/SCTP Checksum Offload
    • IPv4; IPv6
    • Supports iSCSI as an iSCSI software initiator
  • Teaming support:
    • Adapter Fault Tolerance (AFT)
    • Switch Fault Tolerance (SFT)
    • Adaptive Load Balancing (ALB)
    • VM Load Balancing (VMLB)
    • IEEE 802.3ad (link aggregation control protocol)
  • IEEE 802.1Q VLAN support with VLAN tag insertion; with stripping and packet filtering for up to 4096 VLAN tags.
  • IEEE 802.3x flow control support
  • IEEE 802.1p Class of Service (CoS)/QoS
  • Support for Advanced Packet Filtering
  • UEFI and legacy PXE boot
  • Warranty: 1 year
This Kit Includes: