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HPE 870824-B21 Ethernet 2 Port Network Adapter View larger

HPE 870824-B21 2-Port 10Gb Gigabit Ethernet Adapter Network

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Dual-port 10/25 Gb/s SFP28 server adapter
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Detailed Specifications

HPE 870824-B21 Ethernet 10/25 Gb 2-Port SFP28 Adapter

Overview

The HPE 870824-B21 is a dual-port server network adapter designed to deliver both 10 Gb/s and 25 Gb/s Ethernet speeds via SFP28 interfaces. It fits into server mezzanine or adapter slots, enabling high-throughput uplinks for virtualised hosts, storage clusters, and compute-dense racks. The adapter supports full-line-rate traffic on each port, advanced offload capabilities, and a migration path from established 10 Gb infrastructures toward 25 Gb deployments. With its compact form factor and certified compatibility with HPE server platforms, it is ideal for environments where dual high-speed links and efficient I/O are required.

Key Features

  • Two SFP28 ports supporting both 10 Gb/s and 25 Gb/s link speeds.

  • Full-line-rate dual-port throughput for high-bandwidth server uplinks.

  • Supports advanced features (SR-IOV, offloads, large jumbo frames) for virtualised infrastructure.

  • Migration-ready adapter enabling current 10 Gb/s use and future 25 Gb/s upgrade path.

Technical Specifications

SpecificationValue
Brand HPE
Part Number 870824-B21
Product Type Ethernet 10/25 Gb 2-Port SFP28 Adapter
Port Count 2
Supported Link Speeds 10 Gb/s and 25 Gb/s per port
Port Type SFP28
Host Interface FlexibleLOM / Adapter slot
Bus Specification PCI Express 3.0
Throughput (Bidirectional) Up to ~50 Gb/s per port (~100 Gb/s aggregate)
Jumbo Frame Support Up to ~9.2 KB
Advanced Features SR-IOV, RSS, LSO, VXLAN/NVGRE tunnel offloading
Compatible Platforms HPE server platforms supporting 10/25 Gb Ethernet
Use Case Dual high-speed links for servers, storage nodes, virtualised hosts
Typical Weight ~0.28 lb (~0.13 kg) estimation
Dimensions (approx.) Not publicly specified

  • 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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