Intel X520 DP 10Gb DA/SFP+,

Dell Intel X520 DP 10Gb DA/SFP+ (0540-BBHJ-RFB) is a refurbished server network adapter for adding high speed Ethernet connectivity to a server. It provides two 10 Gigabit ports for network links used in data centre and enterprise environments.

The ports support both Direct Attach cables and SFP+ optical modules, allowing the adapter to connect through either supported link type. The listing identifies it as a PCIe server card for rack and blade servers.

Its stated applications include virtualization, storage networks and other enterprise networking tasks where 10 Gigabit links are used.