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HPE 665249-B21 10GB 2 Port 560SFP+ Network Adapter View larger
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HPE 665249-B21 10GB 2 Port 560SFP+ Network Adapter

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Dual‑port 10 GbE SFP⁺ 

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Detailed Specifications

HPE 665249-B21

Ethernet 10 Gb 2‑Port SFP⁺ Network Adapter – Model 665249‑B21 (560SFP⁺, Intel 82599)

The HPE 665249‑B21 Ethernet 10 Gb 2‑Port 560SFP⁺ Network Adapter  (Intel 82599) is an enterprise-grade plug-in Network Adapter delivering dual 10 Gb SFP⁺ connectivity optimized for HPE ProLiant Gen8 and Gen9 servers. With feature-rich offloads and virtualization support, it's ideal for high-throughput data centers, virtualization, and storage workloads.

Features

Powered by the Intel 82599 controller (branded X520‑DA2), this Network Adapter achieves up to 20 Gb/s bi-directional per port (40 Gb total) and integrates hardware support for advanced features—such as jumbo frames, VLAN tagging, TSO, RSS, MSI‑X, and IEEE 1588 precision timing—for scalable virtualization and efficient CPU utilization 

Advanced Options

Designed as a low-profile, PCI Express 2.0 x8 card (compatible with x4 slots), it's server-certified for a wide range of HPE ProLiant platforms, including DL20/360/380 Gen9, ML350 Gen9, Apollo Gen9, and others 

Product Key Features

  •  10 Gb SFP⁺ ports with Intel 82599 (X520‑DA2) chipset

  •  PCIe Gen2 x8 (backward compatible with x4) low-profile bracket included

  •  Supports SR‑IOV, RSS, MSI‑X, jumbo frames, DPDK for virtualization acceleration

  •  Hardware offloads: TCP/UDP checksum, VLAN tagging, TSO/LRO, IEEE 1588 PTP

  •  Auto-negotiates 1 Gb/10 Gb on both ports; PXE boot and LLDP support

  •  Optimized for HPE ProLiant Gen8/Gen9 servers including DL/DL360/DL380/Apollo series

Reliability & Performance

Engineered for enterprise environments, this Network Adapter maintains efficient power consumption (~10 W operational) and offers integrated thermal monitoring via HPE’s Sea of Sensors system. The onboard 256 MB memory ensures sustained throughput during burst traffic, while SR‑IOV and DPDK acceleration streamline virtualization workloads. It supports high availability protocols and diagnostic features to minimize disruptions and enhance system stability 

Key Features :

  • Dual 10 Gb SFP⁺ ports using Intel 82599 (X520‑DA2) controller

  • PCIe Gen2 x8 interface (backward-compatible x4)

  • Supports SR‑IOV, MSI‑X, RSS, DPDK, TSO, LRO, VLAN tagging

  • Auto-negotiation on each port for 1 Gb or 10 Gb speeds

  • Jumbo Frame support up to ~9000 bytes MTU

  • PXE boot, IEEE 1588 PTP, LLDP support

  • 256 MB onboard memory buffer

  • Low-profile bracket included

  • Compliance: RoHS, FCC, CE, UL, VCCI, BSMI, CISPR

  • Compatible across HPE ProLiant Gen8/Gen9/DL/ML/Apollo servers

SpecificationDetails
Model Number 665249‑B21 (560SFP⁺)
Product Type Dual‑Port 10 Gb SFP⁺ Network Adapter
Network Processor Intel® 82599 (X520‑DA2)
Ports 2 × SFP⁺ (10 Gb/s)
Interface PCI Express 2.0 x8 (Gen2), backward-compatible x4
Aggregate Throughput 40 Gb/s bi-directional total
Jumbo Frame Support Up to ~9 000 bytes MTU
Virtualization Support SR‑IOV, RSS, MSI‑X, DPDK
Hardware Offloads TCP/UDP checksum, VLAN, TSO/LRO, IEEE 1588 PTP
Auto-Negotiation 1 Gb/10 Gb support on each port
On-Board Memory 256 MB
Power Consumption ~10 W typical operational
Operating Temperature 0 °C to 55 °C (32 °F to 131 °F)
Humidity Range 5 %–95 % non-condensing
Dimensions ~24.1 × 7.5 × 2.25 cm (9.5 × 3 × 0.9 inches)
Weight ~0.45 kg (1 lb)

  • 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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