HP 647594-B21 Ethernet 1Gb 4-Port 331T Adapter
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Product Information for HP 647594-B21 Ethernet 1Gb 4-Port 331T Adapter

Highlights for HP 647594-B21 Ethernet 1Gb 4-Port 331T Adapter

  • Host Interface:PCI Express x4

Marketing Information

The HP Ethernet 1Gb 4-Port 331T Adapter features the next generation of Ethernet integration, offering a single chip solution that reduces power requirements and optimizes I/O slot utilization. It delivers full line-rate performance across all ports with low power consumption. The HP 331T is ideal for virtualization, security, server consolidation, network segmentation, and other applications requiring maximum throughput and port density. The total aggregate throughput of 4Gb meets the needs of customers desiring high bandwidth. The HP 331T supports advanced features such as Large Send and Receive offload capability, TCP checksum and segmentation, VLAN tagging, MSI-X, jumbo frames, IEEE 1588, and virtualization features such as VMware NetQueue and Microsoft VMQ. Support for HP Sea of Sensors 3D Technology enhances server performance while reducing energy use and expense.


Network & Communication

  • Network Technology: 10/100/1000Base-T
  • Physical Characteristics

  • Form Factor: Internal
  • Height: 2.7"
  • Width: 5.2"
  • Card Height: Full-height
  • Power Description

    Processor & Chipset

    Management & Protocols




  • Host Interface: PCI Express x4
  • Interfaces/Ports: 4 x RJ-45 Network
  • Number of Ports: 4
  • Environmental Conditions

    General Information

  • Product Type: Gigabit Ethernet Card
  • Manufacturer Part Number: 647594-B21
  • Manufacturer Website Address: www.hp.com
  • Manufacturer: Hewlett-Packard
  • Product Name: Ethernet 1Gb 4-Port 331T Adapter
  • Brand Name: HP
  • I/O Expansions

    Media & Performance




    HP ProLiant DL Servers:

    • DL360p Gen8 Server Series
    • DL380p Gen8 Server Series

    HP ProLiant ML Servers:

    • ML350p Gen8 Server Series

    HP ProLiant Scalable Systems:

    • SL250s Gen8 Server Series