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HPE Network Adapters | HPE 331T 1Gb 4-port 331T Adapter | 647594-B21 | ServersPlus
HPE 647594-B21 |

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HPE 331T 1Gb 4-port 331T Adapter

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Manufacturer Part Code: 647594-B21

Order Code: NPHEW-647594B21

Category: HPE Network Adapters

Ethernet 1Gb 4-port 331T Adapter

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.

The HP 331T is designed for maximum throughput and high port density.
An aggregate, full duplex transfer rate of 8 Gbps per adapter delivers outstanding network performance that improves response time and removes bottlenecks. Comprehensive stateless offloads optimize host efficiency and VM density by leaving host CPU available for other duties. Virtualization support for VMware NetQueue and Microsoft VMQ help meet the performance demands of consolidated virtual workloads. Support for MSI/MSI-X provides performance benefits for multi-core servers by load balancing interrupts between CPUs/cores. Support for Energy Efficient Ethernet (EEE) reduces operating expenses.

Business IT purchase over £1000? Spread the cost on a monthly basis with our flexible leasing options.

Technical Information

Full duplex
Data transfer rate (max)
2000 Mbit/s
Data transfer rate
1 Gbit/s
8 Gbit/s
FCC Part 15 Class B\nICES=--3, Issue 4\nVCCI V3 (2010.04) Class B\nKN22 ClassB, KN24\nEN55022:2006+A12007 class B\nEN55024:1998+A1:2011+A2; EN61000-3-2:2006, EN61000-3-3:2008\nEN55022:2006 + A1:2007 Class B\nUL/cUL\nCE\nEN 60590
Colour of product
Power consumption (typical)
4.3 W
Cabling technology
Broadcom BCM5719
Ethernet LAN connection
Networking standards
IEEE 802.1Q,IEEE 802.3,IEEE 802.3ab,IEEE 802.3ad,IEEE 802.3az,IEEE 802.3u,IEEE 802.3x
Maximum operating distance
100 m
Jumbo Frames support
Ethernet LAN data transfer rates
10,100,1000 Mbit/s
Operating relative humidity range
10 - 90%
Storage temperature range (T-T)
-65 - 85 °C
Operating temperature range (T-T)
0 - 55 °C
Storage relative humidity range
5 - 95%
Cable type
Compatible operating systems
Windows Server 2008 (32/64), Enterprise, Web, Embedded, R2\nMicrosoft Windows HPC Server 2008\nMicrosoft Windows 2008 Standard (32/x64)\nMicrosoft Windows 2008 Enterprise (32/x64)\nMicrosoft Windows Small Business Server 2011 (SBS V7)\nMicrosoft Windows Small Business Server 2011 Essentials\nRHEL 5.7 x86/ AMD 64 & EM 64T\nRHEL 6.1 x86/ AMD 64 & EM 64T\nSLES10: x86 / AMD 64 & EM 64T\nSLES 11: x86 / AMD 64 & EM64T\nSolaris 10\nVMWare vSphere 4.1/5.0\nCitrix\nHyperV (Windows 2008 32 and 64)
Compatible memory cards
Not supported
Source data-sheet
Connectivity technology
Ethernet LAN (RJ-45) ports quantity
Host interface
Compatible memory cards
Not supported
Colour of product
Ethernet LAN data transfer rates
10,100,1000 Mbit/s
Source data-sheet
68.6 mm
132.1 mm
Wireless LAN connection

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