This is a 100-Gigabit Ethernet PCIe 4.0 x16 network interface card with dual open QSFP28 ports that comply with IEEE 802.3 standards. It is based on an Intel XL710 chipset and is compatible with a variety of different applications and operating systems, including Windows, Linux and Unix-like systems. Providing 100Gbs of network speed, it fully supports high-end servers and various other networking applications. In addition, this card supports high level VLAN filtering, iWarp, and RoCE. The dual open QSFP28 ports allow users to choose from a range of QSFP28 transceivers to accommodate multi-mode (MMF) and single-mode (SMF) fiber, granting customizable reach. 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.