HP Ethernet 1Gb 4-port 331FLR Adapter - Overview

	Product description
	Product features
	Software overview
	Links to product specifications and warranty information
	Links to product QuickSpecs

Product description

The HP Ethernet 1Gb 4-port 331FLR features the next generation of Ethernet integration offering in a single chip solution on a flexible LOM form factor, further reducing power requirements for 4 ports of 1Gb Ethernet.

Product features

Feature	Description
Model	629135-B21
Performance
Product features	Flexible LOM for select HP Gen8 Rack servers Industry-leading hardware integration for low power Quad-port 1 GbE provides up to 8Gb/s full duplex throughput per adapter Energy Efficient Ethernet (EEE) support Optimized for virtual servers Improved small packet performance Support for Preboot eXecution Environment (PXE)
Quad-port 1 gigabit ethernet throughput	2,000 Mb/s full duplex Ethernet transfer rate per port (8 Gb/s aggregate full duplex) Theoretical throughput of 1 Gb/s each direction
Jumbo frames	Permits up to a 9KB transmission unit (MTU)
MSI and MSI-X	Up to 17 message signaled interrupt (Extended)
802.1Q VLANs	Allows each physical port of the HP 331FLR to be separated into multiple virtual NICs for added network segmentation and enhanced security and performance.
TCP/IP stateless offloading	The HP 331FLR supports: TCP IP UDP checksum offload Large Send Offload (LSO) TCP, and Segmentation Offload (TSO)
Time synchronization (IEEE 1588)	Hardware assist for IEEE 1588 and IEEE 802.1AS time synchronization implementations for time sensitive applications.
Optimized for virtualization	I/O virtualization support for VMware NetQueue and Microsoft VMQ help meet the performance demands of consolidated virtual workloads.
Energy Efficient Ethernet	Compliant with IEEE 802.3az
Versatility
10/100/1000T twisted pair networks	Supports both 10 Mb/s and 100 Mb/s
FlexLOM slot compatibility	The HP 331FLR is compatible only with HP FlexLOM slot available on select HP ProLiant Gen8 Rack servers
PCI express compatibility	Compatible with x8 and x16 PCI Express slots When installed in a x8 or x16 slot, the adapter will operate at the x4 speed.
High availability
Network adapter teaming	ProLiant network adapter teaming provides fault tolerance and load balancing across a team of two or more network adapters. The team of adapters works together as a single virtual adapter. The HP 331FLR FlexLOM provides Support for several different types of teaming.
Network management	Auto-negotiation Management support Server integration Configuration utilities LED indicators PXE