Introduction

HP Ethernet 1Gb 4-port 331T Adapter

Specifications

Copyright notice	The product could differ from the images shown. © 2015 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. Specific features may vary from model to model. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein.
Feature	4.3W (1000Base-T, maximum traffic); 1.0W (AUX power with WoL)
Feature	802.3, 802.3ab, 802.3u, 802.3x, Dynamic 802.3ad, 802.1Q, 802.3az, 1588, 802.1as
Feature	Broadcom BCM5719 chipset
Feature	Bus type
Feature	Compatible operating systems
Feature	Data rate
Feature	Form factor
Feature	Four lane (x4) PCI Express compatible with x4, x8, and x16 PCI Express slots
Feature	Four ports, each at 2 Gbps full duplex; 8 Gbps aggregate full duplex theoretical bandwidth.
Feature	IEEE compliance
Feature	Network processor
Feature	Microsoft Windows Server 2008, HPC Server 2008,icrosoft Windows 2008; Red Hat Enterprise Linux 5.7 (AMD64/EM64T); Red Hat Enterprise Linux 6.1 (AMD64/EM64T); SLES 10 and 11; Oracle Solaris 10; VMware ESX and ESXi; Microsoft Windows Hyper-V
Feature	PCIe Card
Feature	Power
Feature	Product differentiator
Feature	ProLiant servers
Feature	Server supported
Feature	Single-chip, quad-port, 1Gb Ethernet Adapter designed for maximum throughput and high port density.
Headline	The HP 331T is designed for maximum throughput and high port density.
Ideal for	Enterprise and mid-market customers requiring low power, high port density 1GbE network adapters for virtualization and server consolidation.
Image legal disclaimer	Product image may differ from actual product
Key selling point	An aggregate, full duplex transfer rate of 8 Gb/s per adapter delivers outstanding network performance that improves response time and removes bottlenecks
Key selling point	Comprehensive stateless offloads optimize host efficiency and VM density by leaving host CPU available for other duties
Key selling point	Support for Energy Efficient Ethernet (EEE) reduces operating expenses
Key selling point	Support for MSI/MSI-X provides performance benefits for multi-core servers by load balancing interrupts between CPUs/cores
Key selling point	Virtualization support for VMware NetQueue and Microsoft VMQ help meet the performance demands of consolidated virtual workloads
Minimum dimensions (W x D x H)	19.69 x 24.92 x 6.05 cm
Product classification flag	Standard HP Product
Product description	HP Ethernet 1Gb 4-port 331T Adapter
Product name	HP Ethernet 1Gb 4-port 331T Adapter
Product number	647594-B21
Quickspec	http://h18000.www1.hp.com/products/quickspecs/14215_div/14215_div.pdf
Quickspec	http://h18000.www1.hp.com/products/quickspecs/14215_na/14215_na.pdf
Registration required	No
Right rail header	Additional resources
Right rail header	Support
Right rail statement	Discontinued products
Right rail statement	HP Blades
Right rail statement	HP Qualified Options
Right rail statement	HP Servers
Right rail statement	Information library
Right rail statement	ProLiant Advantage
Right rail statement	SMB Server & Storage expertise center
Right rail statement	Support and drivers
Right rail URL	http://h10025.www1.hp.com/ewfrf/wc/supportLanding?cc=us&lc=en
Right rail URL	http://h17007.www1.hp.com/us/en/enterprise/servers/retired/index.aspx
Right rail URL	http://h17007.www1.hp.com/us/en/enterprise/servers/solutions/info-library/index.aspx
Right rail URL	http://shopping1.hp.com/is-bin/INTERSHOP.enfinity/WFS/WW-USSMBPublicStore-Site/en_US/-/USD/ViewApplication-DisplayCachedWelcomePage
Right rail URL	http://www8.hp.com/us/en/products/servers/bladesystem/productportfolio.html
Right rail URL	http://www8.hp.com/us/en/products/servers/index.html
Right rail URL	http://www8.hp.com/us/en/products/servers/proliant-servers.html
Right rail URL	http://www8.hp.com/us/en/products/servers/proliant-servers.html?compURI=1551126
Short product name	Ethernet 1Gb 4-port 331T Adapter
Tangible flag	Yes
Warranty - year(s) (parts/labor/onsite)	1 Year
Weight	0.45 kg
What is new supporting point	Advanced power savings features; Energy Efficient Ethernet (EEE) support
What is new supporting point	Latest quad-port PCIe Copper Gigabit NIC, based on Broadcom 5719 chip; supports low-profile and standard slots
What is new supporting point	Optimized for server virtualization, including VMware NetQueue and Microsoft VMQ
What's in the box	(1) 331T Adapter with pre-installed full-height bracket; Low-profile bracket; Quick install card; Product warranty statement