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Intel® Ethernet Converged Network Adapter X520 Product Family

Intel’s new family of Intel® Ethernet Converged Network Adapters X520 are the most flexible and scalable Ethernet adapters for today’s demanding data center and cloud environments.

The Intel Ethernet Converged Network Adapter X520 family addresses the demanding needs of the next-generation data center by providing unmatched features for virtualization, flexibility for LAN and storage area network (SAN) networking, and proven reliable performance.

Features and Specifications

  Intel® Ethernet Converged Network Adapter X520-QDA1 Intel Ethernet Converged Network Adapter X520-SR1 Intel Ethernet Converged Network Adapter X520-SR2
Product code X520QDA1 E10G41BFSR E10G42BFSR
Ethernet controller Intel® 82599 10 Gigabit Ethernet Controller Intel 82599ES 10 Gigabit Ethernet Controller Intel 82599ES 10 Gigabit Ethernet Controller
Connector and cable  QSFP+ direct attach copper (4x10GbE mode) Fiber optic  Fiber optic 
Cable type QSFP+ direct attached twin axial cabling up to 10m MMF up to 300 m MMF up to 300 m
Slot type, maximum bus speed, and  slot width PCI Express* 3.0
8.0 GT/s/lane x4 lane and x8 lane
PCI Express 2.0
5.0 GT/s lane x8 lane 
PCI Express 2.0
5.0 GT/s lane x8 lane 
Ports Single port Single 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 (Intel® VT-c) On-chip QoS and traffic management, flexible port partitioning, Virtual Machine Device queues (VMDq), PCI-SIG* SR-IOV 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, FCoE, NFS iSCSI, FCoE, NFS iSCSI, FCoE, NFS
iWARP/RDMA  N/A N/A N/A
Product support page Intel® Ethernet Server Adapter X520-QDA1 Intel Ethernet Server Adapter X520-SR1
Intel Ethernet Server Adapter X520-SR2

Features and Specifications

  Intel® Ethernet Converged Network Adapter X520-DA2 Intel Ethernet Converged Network Adapter X520- LR1 Intel® Ethernet Server Adapter X520-DA1 for Open Compute Project (OCP) Intel Ethernet Server Adapter X520-DA2 for Open Compute Project (OCP)
Product code E10G42BTDA E10G41BFLR  X520DA1OCP X520DA2OCP
Ethernet controller Intel® 82599ES 10 Gigabit Ethernet Controller
Intel 82599ES 10 Gigabit Ethernet Controller Intel 82599ES 10 Gigabit Ethernet Controller Intel 82599ES 10 Gigabit Ethernet Controller
Connector and cable  SFP+ direct attach copper
Fiber optic  SFP+ direct attach copper Copper
Cable type SFP+ direct attached
twin axial cabling up to 10 m
SMF up to 10 km SFP+ direct attached
twin axial cabling up to 10 m

SFP+ direct attached twin axial cabling up to 10 m
Slot type, maximum bus speed, and slot width PCI Express* 2.0
5.0 GT/s lane x8 lane 
PCI Express 2.0
5.0 GT/s lane x8 lane 
PCI Express 2.0
5.0 GT/s lane x8 lane 
PCI Express 2.0
5.0 GT/s lane x8 lane 
Ports Dual port
Single port  Single port  Dual port 
Supported slot height/s Low profile and full height
Low profile and full height Low profile and full height Low profile and full height
Intelligent offloads Yes Yes Yes Yes
Intel® Virtualization Technology (Intel® VT) for Connectivity (Intel® VT-c)
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  On-chip QoS and traffic management, flexible port partitioning, virtual machine device queues (VMDq), PCI-SIG SR-IOV capable 
Storage over Ethernet iSCSI, FCoE, NFS
iSCSI, FCoE, NFS iSCSI,  NFS iSCSI, FCoE, NFS
iWARP/RDMA  N/A N/A N/A N/A
Product support page Intel® Ethernet Server Adapter X520-DA2 Intel Ethernet Server Adapter X520- LR1
http://www.intel.com/p/
en_US/support/highlights
/network/x520server


http://www.intel.com/p/
en_US/support/highlights/
network/esa-x520-t2/