728987-B21 HPE 571SFP 10G PCIe 2.0 x8 Ethernet Network Card
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| Quantity | Unit price |
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€698.77
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€677.90
€698.77
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€663.90
€698.77
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| From 20 |
€649.90
€698.77
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Solarflare
€698.77
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728987-B21
Low-Profile Dual-Port 10GbE SFP+ PCIe Ethernet Adapter optimised for virtualised I/O with the 728987-B21
The 728987-B21 is an HPE/Solarflare 571SFP low-profile PCIe Ethernet adapter designed to deliver deterministic 10GbE connectivity in dense rack servers where slot, airflow, and power budgets are tightly managed. Built for modern virtualised hosts, the adapter focuses on reducing CPU overhead and latency variance while sustaining line-rate traffic for east-west workloads and storage access.
By using a PCIe 2.0 x8 host interface, 728987-B21 integrates cleanly into mainstream enterprise server platforms and preserves higher-generation PCIe lanes for accelerators or NVMe backplanes. Dual SFP+ ports provide flexible uplinks to ToR switching, iSCSI/NFS storage networks, or isolated tenant fabrics, while SR-IOV enables direct I/O paths for VMs to improve throughput and microburst handling. Offloads such as TCP Segmentation Offload further optimise host CPU cycles, supporting higher VM density and predictable network performance during backup windows and peak transaction periods. PXE support on 728987-B21 simplifies stateless provisioning and rapid recovery workflows in standardised builds.
Why Choose the 728987-B21?
The 728987-B21 is positioned for environments that require reliable 10GbE in a low-profile form factor without sacrificing virtualisation features. Its dual-port design improves link resiliency and segmentation options, while SR-IOV and hardware offloads help align network performance with consolidation goals across clustered deployments.
HPE engineering emphasises integration discipline, validated interoperability, and lifecycle consistency for enterprise data centres, ensuring the adapter aligns with common Ethernet standards and operational practices for repeatable deployment and long-term serviceability.
Key Applications:
- Virtualised server I/O with SR-IOV
- Top-of-rack 10GbE SFP+ uplinks
- Storage networking (iSCSI/NFS)
- PXE boot and provisioning networks
- Network segmentation with VLANs and LACP
At Happyware - Server Hardware you benefit from non-binding offers tailored precisely to your 728987-B21 rollout and an extended warranty up to 6 years to protect the investment across refresh cycles.
Technical details of 728987-B21
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