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HPE 876449-B21 Synergy 4820C 10/20/25Gb CNA 2 Port Network Adapter View larger

HPE 876449-B21 Synergy 4820C 10/20/25Gb Converged Network Adapter

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25 Gb/s dual‑port converged network adapter (Synergy)

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Detailed Specifications

HPE 876449‑B21 Synergy 4820C 10/20/25Gb Converged Network Adapter

Overview

The HPE 876449‑B21 is a converged network adapter (CNA) built for HPE Synergy compute modules, providing dual ports that support 10 Gb, 20 Gb, and 25 Gb Ethernet. It unifies Ethernet and storage traffic, helping reduce cabling and simplify infrastructure. The adapter incorporates RDMA over Converged Ethernet (RoCEv2) and SR‑IOV to minimize CPU overhead while maximizing VM density. It uses a PCI Express 3.0 x16 mezzanine interface to plug directly into Synergy servers.

Key Features

  • Two 10/20/25 Gb Ethernet ports for flexible speed deployment

  • Converged I/O supporting both Ethernet and storage traffic

  • SR‑IOV support for virtualization and high VM density

  • RDMA via RoCEv2 for low-latency and efficient data transfer

  • Mezzanine form factor optimized for HPE Synergy compute modules

Technical Specifications

SpecificationDetails
BrandHPE
Part Number876449‑B21
Product TypeConverged Network Adapter (CNA)
ControllerMarvell QL45604
Host InterfacePCI Express 3.0 x16 mezzanine
Ports2 × Ethernet (25 Gb capable)
Supported Speeds10 Gb/s, 20 Gb/s, 25 Gb/s
Jumbo Frame SupportUp to 9.6 KB
Power Consumption (Typical)~13.6 W
Power Consumption (Maximum)~14.1 W
Virtualization FeaturesSR‑IOV, NPAR (network partitioning)
RDMA SupportRoCEv2
Security FeaturesSecure Boot, authenticated firmware updates
Packet AccelerationDPDK (Data Plane Development Kit) support
Operating Temperature0 °C to 55 °C

  • All packages are shipped same day if the order is placed before 3PM CST

    We use UPS/FedEx to ship the packages with different service levels offered by UPS/FedEx

    Overnight Shipping take 1 business day
    Expedited Shipping take about 2-3 business days
    Ground shipping take about 3-5 business days

    You can select the desired service level at Checkout and we will make sure the package is shipped as per the selected service level.

  • We Accept

    i) PayPal
    ii) All Credit & Debit Cards
    iii) Purchase Orders
    iv) Check
    v) Bank Transfer/ACH/Wire Transfer

    To process the order through Paypal/CC, you can simply checkout and process the payment.

    If you want to issue us Purchase Order/Check/Bank Transfer, Please contact us at the following details

    Call: 469.458.9636
    Email: sales@dcsupplies.net

  • If you have any queries, please contact us at the following details and we will be happy to help

    Call
    469.458.9636
    469.458.9638

    Email
    sales@dcsupplies.net

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