This is an Intel I350F2 comparable Gigabit Ethernet PCIe 2.0 x4 network interface card with 2 included SX SFP transceivers that comply with IEEE 802.3 standards. It is based on an Intel 82576 chipset and is compatible with a variety of different applications and operating systems, including Windows, Linux and Unix-like systems. Providing 1Gbs of network speed, it fully supports high-end servers and various other networking applications. In addition, this card supports high level VLAN filtering. The dual open SFP ports accommodate multi-mode, providing a reach up to 550m. This product includes both half-height and full-height brackets. Our network interface cards are 100% compliant, and offer a cost effective solution for all of your network upgrade needs. With our certification test program, we guarantee your product will work right the first time.This is an Intel I350F2 comparable Gigabit Ethernet PCIe 2.0 x4 network interface card with 2 included SX SFP transceivers that comply with IEEE 802.3 standards. It is based on an Intel 82576 chipset and is compatible with a variety of different applications and operating systems, including Windows, Linux and Unix-like systems. Providing 1Gbs of network speed, it fully supports high-end servers and various other networking applications. In addition, this card supports high level VLAN filtering. The dual open SFP ports accommodate multi-mode, providing a reach up to 550m. This product includes both half-height and full-height brackets. Our network interface cards are 100% compliant, and offer a cost effective solution for all of your network upgrade needs. With our certification test program, we guarantee your product will work right the first time.