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HP Ethernet 1Gb 4-port 331FLR Adapter

Customers needing low power, high port density 1GbE network adapters for virtualization and server consolidation, and easy future upgrade to 10GbE.

The HP Ethernet 1Gb 4-port 331FLR Adapter for select HP 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 HP 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 HP 331FLR supports advanced features such as Large Send and Receive offload capability, TCP checksum and segmentation, VLAN tagging, MSI-X, jumbo frames, IEEE 1588, HP Sea of Sensors 3D and virtualization features such as VMware NetQueue and Microsoft VMQ. Support for HP Sea of Sensors 3D Technology enhances server performance while reducing energy use and expense.

  • Part NumberOpen or Close
    MFG Part Number: 629135-B21
    Alternate Part Numbers: 629135-B21
    Manufacturer: HP
  • SpecificationsOpen or Close

    Network processor
    Broadcom BCM5719 chipset

    Data rate
    Four 1GbE ports, each at 2 Gbps full duplex
    8 Gbps aggregate full duplex theoretical bandwidth. 10/100/1000 Mbps, Full-duplex

    Bus type
    PCI Express v2.0 (Gen 2 x4) (FlexibleLOM slot)

    Form factor

    5.5W Maximum

    Server supported
    ProLiant servers

    IEEE compliance
    802.3, 802.3ab, 802.3u, 802.3x, 802.3ad, 802.1q, 802.3az, 1588, 802.1as

    Compatible operating systems
    Microsoft Windows 2008, Server 2008
    Microsoft Windows HPC Server 2008
    Red Hat Enterprise Linux 5.7and 6.1 (AMD64/EM64T)
    SUSE Linux Enterprise Server 10 and 11 (AMD64/EM64T)
    Oracle Solaris 10
    VMware ESX and ESXi
    Microsoft Windows Hyper-V

    Product differentiator
    Single-chip, quad-port, 1Gb Ethernet Flexible LOM designed for maximum throughput and high port density.

    Dimensions (W x D x H)
    19.69 x 24.92 x 6.05 cm (7.75 x 9.81 x 2.38 in)

    0.45 kg (1 lb)

  • CompatibilityOpen or Close
    SL250s Gen8, SL230s Gen8, SL270s Gen8


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