HPE 631SFP28 network adapter

HPE Ethernet 10/25Gb 2-port 631SFP28 Adapter

Do you want to increase bandwidth and reduce network vulnerability while reducing costs? The HPE Ethernet 10/25Gb 2-port 631 Adapters deliver the capability to drive either 10G (SFP+) or 25G (SFP28) speeds, providing the option for a large jump in Ethernet performance. Compared to a 10G implementation these adapters offer cost reductions by lowering the number of servers, adapters, cables and switches while accelerating server performance and targeted workloads. These adapters help prevent, detect and recover from cyberattacks by protecting applications, data and server infrastructure by authenticating digitally signed firmware via a Root of Trust architecture. In addition, they offer Secure Boot, Device-level Firewall and other advanced security features.
HPE Ethernet 10/25Gb 2-port 631SFP28 Adapter


Safeguard Your Data and Your Business Network

  • The HPE Ethernet 10/25Gb 2-port 631 Adapter blocks installation of rogue or corrupted firmware and verifies that the executing firmware is trusted via Hardware Root of Trust and Authentication.
  • Stops unmanaged access to memory or storage with Device - level Firewall. This validates that on-device firmware and configuration data can only be accessed by authorized agents.
  • Provides traceability into authenticated firmware updates by capturing changes in standard system logs.

Boosting I/O Bandwidth with Lower Latency

  • The HPE Ethernet 10/25Gb 2-port 631 Adapter delivers single root I/O virtualization (SR-IOV) with the ability to run a large number of virtual machines (VMs) per server, which reduces the need for hardware and the resultant costs of space and power required by hardware devices.
  • Reduces CPU Utilization and helps improve host VM density and server efficiency using remote direct memory access (RDMA) over Converged Ethernet (RoCE v2) for Live Migration, Microsoft SMB Direct environments.

Realize Breakthrough Economics

  • The HPE Ethernet 10/25Gb 2-port 631 Adapter offloads packet processing to reduce CPU utilization and lower power with Tunnel Offloads (VXLAN and NVGRE).
  • Speeds packet processing to service more I/O requests utilizing data plane development packet (DPDK).


Form factor Standup&ALOM
Data rate 10/25Gb
Bus type PCIe Gen3 x8
Number of ports 2-port
  • General Information
    Manufacturer Hewlett Packard Enterprise
    Manufacturer Part Number 817718-B21
    Brand Name HPE
    Product Model 631
    Product Name Ethernet 10/25Gb 2-Port 631SFP28 Adapter
    Product Type 25Gigabit Ethernet Card
    Host Interface PCI Express 3.0 x8
    Total Number of Ports 2
    I/O Expansions
    Expansion Slot Type SFP28
    Media & Performance
    Media Type Supported Optical Fiber
    Network & Communication
    Network Technology 20GBase-X
    Physical Characteristics
    Form Factor Plug-in Card
    Height 214.9 mm
    Width 249.9 mm
    Depth 59.9 mm
    Weight (Approximate) 106.1 g
    Device Supported Server

  • Model: 817718-B21

    MPN: 817718-B21

RRP: £776.40 inc VAT
Save 35%
£ 504.59 inc VAT £420.49 ex VAT
  • MPN 817718-B21
  • Quickcode 1388962
  • Qty Available 3
  • Total Stock 16
  • Quantity
  • Buy 2 for £419.51 + VAT each
  • Buy 3 for £418.53 + VAT each
  • Buy 4 for £417.55 + VAT each
  • Buy 5 for £416.57 + VAT each
  • Buy 6+ for £415.59 + VAT each
  • Next Working Day: £7.97
  • 3 Working Days: £4.98
  • 7 Working Days: Free *(over £100) Exceptions Apply
  • All Delivery Prices inc VAT
  • 7 Day Free, Next day and 3 Day delivery are only available to UK mainland addresses, this excludes: Northern Ireland, Eire, Scottish Offshore, Scottish Highlands, Channel Islands and Isle of Man.
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