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Intel® Gigabit ET Dual Port Server Adapter Product Family

The Intel® Gigabit ET Dual Port Server Adapter and Intel® Gigabit EF Dual Port Server Adapter are Intel's third generation of PCIe* GbE network adapters. Built with the Intel® 82576 Gigabit Ethernet Controller, these new adapters showcase the next evolution in GbE networking features for the enterprise network and data center. These features include support for multi-core processors and optimization for server virtualization.

Product Information

The Intel® Gigabit ET Dual Port Server Adapter product brief provides features and benefits for the Intel® Gigabit ET Dual Port Server Adapter, Intel® Gigabit ET2 Quad Port Server Adapter, and Intel® Gigabit EF Dual Port Server Adapter.

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Features and Specifications

  Intel® Gigabit  ET Dual Port Server Adapter

Intel® Gigabit  ET2 Quad Port Server Adapter

Intel® Gigabit  EF Dual Port Server Adapter

Product code E1G42ET
E1G42ETBLK
E1G44ET2
E1G44ET2BLK
E1G42EF
E1G42EFBLK
Ethernet controller Intel® 82576 Gigabit Ethernet Controller
Intel® 82576 Gigabit Ethernet Controller
Intel® 82576 Gigabit Ethernet Controller
Connector and cable  RJ-45 copper RJ-45 copper Fiber optic 
Cable type Category-5
up to 100 m
Category-5
up to 100 m
MMF 62.5/50 μm
up to 275 m
Slot type, maximum bus speed & slot width PCI Express* 2.0
2.5 GT/s lane x 4 lane
PCI Express* 2.0
2.5 GT/s lane x 4 lane
PCI Express* 2.0
2.5 GT/s lane x 4 lane
Ports Dual port Quad port Dual port 
Supported slot height/s Low profile and full height Low profile and full height Low profile and full height
Intelligent offloads Yes Yes Yes
Intel® Virtualization Technology (Intel® VT) for connectivity On-chip QoS and traffic management, flexible port partitioning, Virtual Machine Device Queues (VMDQ), PCI-SIG* SR-IOV capable On-chip QoS and traffic management, flexible port partitioning, Virtual Machine Device Queues (VMDQ), PCI-SIG* SR-IOV capable On-chip QoS and traffic management, flexible port partitioning, Virtual Machine Device Queues (VMDQ), PCI-SIG* SR-IOV capable
Storage over Ethernet iSCSI, NFS iSCSI, NFS iSCSI, NFS
Intel® Ethernet power management
NA NA NA
Product support page Intel® Gigabit ET Dual Port Server Adapter
Intel® Gigabit ET2 Quad Port Server Adapter
Intel® Gigabit EF Dual Port Server Adapter