727055 B21 HPE Ethernet 10Gb 2 Ports 640SFP 28 Adapter

    727055 B21 HPE Ethernet 10Gb 2 Ports 640SFP 28 Adapter

    727055 B21 is a type of HP Ethernet adapter. It has a built-in Intel® X710 controller that provides 20 Gb/s data rate per port. The bus type of PCI Express 3.0 8 GT/s x8 matches most interfaces.


    Designed for HPE ProLiant servers, low power consumption and low cost.

    Provides virtualization and scalability capabilities to complement the HPE server platform to meet the demands of next-generation data centers.

    It can be connected with DAC and SR fiber optic modules for a wider range of use.

    Faster processing with the latest generation Intel® X710 controller.





    Product Model

    727055 B21


    HPE Ethernet 10Gb 2-port 562SFP+ Adapter

    Network Processor  

    Intel® X710 Controller

    Data Rate

    Two ports, each at 20 Gb/s bi-directional

     40 Gb/s aggregate bi-directional theoretical bandwidth

    Onboard Memory

    256 MB

    Bus type   

    PCI Express 3.0 at 8 GT/s x8

    Form Factor  

    Standard and low profile adapter compliant with the PCIe standard

    IEEE Compliance  

    802.3, 802.1ab, 802.3x, 802.3ad, 802.3p, 802.1q, 802.3ae, 802.1au,

    802.3ap, 802.1as, 802.3ak,802.1qaz, 802.1Qbb



    10W typical, 10.8W maximum

    Temperature - Operating

    0° to 55°C (32° to 131°F)

    Humidity - Operating  

    5% to 95% non-condensing

    Emissions Classification

    Class B

    RoHS Compliance

    5 of 6


    1 year

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