Intel X520 Dual Port 10Gb DA/SFP+ Server Adapter The Intel X520 Dual Port 10Gb DA/SFP+ Server Adapter from Dell™ is a high performance adapter designed for the high-speed PCI Express Bus Architecture. It offers increased bandwidth, reliability and enhanced functionality. Moreover, the dedicated input/output (I/O) bandwidth of PCIe ensures priority performance on the port - without bus sharing - for Gigabit Ethernet connectivity. This product has been tested and validated on Dell systems and is supported by Dell Technical Support when used with a Dell system. Device Type Network adapter Form Factor Plug-in card - low profile Interface (Bus) Type PCI Express 2.0 x8 Dimensions (WxDxH) 5.7 in Ports Qty 2 ports Data Link Protocol 10 GigE Data Transfer Rate 10 Gbps Network / Transport Protocol TCP/IP, UDP/IP, IPSec, iSCSI Processor 82599ES - Intel Compliant Standards IEEE 802.1Q, IEEE 802.1p, IEEE 802.3ad (LACP), IEEE 802.1ae, IEEE 802.1as Designed For PowerEdge C6220, R320, R420, R520, R620, R720 Networking Connectivity Technology Wired Data Link Protocol 10 GigE Data Transfer Rate 10 Gbps Network / Transport Protocol TCP/IP, UDP/IP, IPSec, iSCSI Remote Management Protocol SNMP, RMON Status Indicators Link activity, port transmission speed, link OK Features Flow control, VLAN support, packet filtering, Quality of Service (QoS), Virtual Machine Device Queues (VMDq) Compliant Standards IEEE 802.1Q, IEEE 802.1p, IEEE 802.3ad (LACP), IEEE 802.1ae, IEEE 802.1as