The Dell Broadcom HN10N 57810S is a dual-port 10 Gbps Ethernet network interface card (NIC) with x8 PCI Express host interface. It supports IEEE 802.1 q VLAN tagging. Model number|57810SProduct Name|Dell Broadcom 57810S Network AdapterProduct Type|Network AdapterNumber of Ports|2Form Factor|Plug-in CardInterface Type|PCI Express x8Connectivity Technology|WiredData Link Protocol|10 Gigabit LANData Transfer Rate|10 GBps