Now you can add four network doors to your client, server or workstation through a single PCI Express slot, to provide connectivity to multiple networks without weighing on the budget. Reliable connectivity to multiple networks this 4 -door network card offers a powerful connectivity for commercial, corporate or government environments, with the support of 4 -channel high -performance networks and a maximum transfer speed of up to 1000 Mbps in each direction (2000 Mbps total). The network adapter is equipped with the Realtek RTL811G chipset, which offers the advanced performance and features necessary to create reliable network connections to server or computer.  Versatile and convenient solution this versatile four -door network card is ideal for many company applications that require the updating of servers or workstations, with an advanced Gigabit network equipped with four independent doors. Compatible with a wide range of operating systems, this convenient Nic Gigabit Pcie is suitable for many SMB and Enterprise applications such as virtualized environments that require multiple NICs (control VM software for the compatibility of the chipset). ST1000SPEX43 is equipped with the 2 -year guarantee of Startech.com and free technical support for life.