X520-SR2 - Network Card

SpecificationNetwork Cards
General
	Model Name	X520SR2	Network Operating Systems (NOS) Software Support
	Connector	Dual 10 Gigabit SFP+		Windows Server 2003 SP2
Advanced Software Features				Windows Server 2008 SP2)
	Adapter Fault Tolerance (AFT)			Windows Server 2008 SP2 Core
	Switch Fault Tolerance (SFT)			Windows Server 2008 SP2 (w/ Hyper-V role)
	Adaptive Load Balancing (ALB)			Hyper-V Server 2008 SP2
	Virtual Machine Load Balancing (VMLB)			Windows Server 2008 R2
	IEEE 802.3ad (link aggregation control protocol)			Windows Server 2008 R2 Core
	PCIe Hot Plug*/Active peripheral component interconnect (PCI)			Windows Server 2008 R2 (w/ Hyper-V role)
	IEEE 802.3 2005* flow control support			Hyper-V Server 2008 R2
	IEEE 802.1P VLANs			WinPE 1.6 (2003 PE)
	Tx/Rx IP, TCP, & UDP checksum offloading (IPv4, IPv6) capabilities Transmission control protocol (TCP), User Datagram Protocol (UDP), Internet Protocol (IP))			WinPE 2.1 (2008 PE)
	Teaming support			WinPE 3.0 (2008 R2 PE)
	IEEE 802.1p			Linux* Stable Kernel version 3.X, 2.6, X
	TCP segmentation/large send offload			Linux RHEL 5.6
	MSI -X: Multiple Independent Queues			Linux RHEL 6.1
	Interrupt moderation			Linux SLES 10 SP4
	IPv6 offloading - Checksum and segmentation capability extended to new standard packet type			Linux SLES 11 SP1
Hardware Features				DOS* NDIS 2
	Data rate(s) supported per port	1 GbE, 10 GbE Direct Attach 10 GbE		DOS ODI
	Bus Type	PCI Express 2.0 (5.0 GT/s)		UEFI* 2.1
	Bus width	x8 lane PCI Express, operable in x8 and x16 slots		UEFI* 2.3
	Interrupt levels	INTA, MSI, MSI-X		VMware ESX4.0³
	Hardware certifications	FCC B, UL, CE, VCCI, BSMI, CTICK, KCC		VMware ESX4.1³
	Controller-processor	Intel® 82599 Ethernet Controller		VMware ESX5.0³
				XEN⁴
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